640772160

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:194

約数の個数: 448

約数和(自身を含む): 2528133120

約数和(自身を除く): 1887360960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 71, 79, 80, 84, 85, 96, 102, 105, 112, 119, 120, 136, 140, 142, 158, 160, 168, 170, 192, 204, 210, 213, 224, 237, 238, 240, 255, 272, 280, 284, 316, 320, 336, 340, 355, 357, 395, 408, 420, 426, 448, 474, 476, 480, 497, 510, 544, 553, 560, 568, 595, 632, 672, 680, 710, 714, 790, 816, 840, 852, 948, 952, 960, 994, 1020, 1065, 1088, 1106, 1120, 1136, 1185, 1190, 1207, 1264, 1343, 1344, 1360, 1420, 1428, 1491, 1580, 1632, 1659, 1680, 1704, 1785, 1896, 1904, 1988, 2040, 2130, 2212, 2240, 2272, 2370, 2380, 2414, 2485, 2528, 2686, 2720, 2765, 2840, 2856, 2982, 3160, 3264, 3318, 3360, 3408, 3570, 3621, 3792, 3808, 3976, 4029, 4080, 4260, 4424, 4544, 4740, 4760, 4828, 4970, 5056, 5372, 5440, 5530, 5609, 5680, 5712, 5964, 6035, 6320, 6636, 6715, 6720, 6816, 7140, 7242, 7455, 7584, 7616, 7952, 8058, 8160, 8295, 8449, 8520, 8848, 9401, 9480, 9520, 9656, 9940, 10744, 11060, 11218, 11360, 11424, 11928, 12070, 12640, 13272, 13430, 13632, 14280, 14484, 14910, 15168, 15904, 16116, 16320, 16590, 16827, 16898, 17040, 17696, 18105, 18802, 18960, 19040, 19312, 19880, 20145, 21488, 22120, 22436, 22720, 22848, 23856, 24140, 25280, 25347, 26544, 26860, 28045, 28203, 28560, 28968, 29820, 31808, 32232, 33180, 33654, 33796, 34080, 35392, 36210, 37604, 37920, 38080, 38624, 39263, 39760, 40290, 42245, 42976, 44240, 44872, 47005, 47712, 48280, 50694, 53088, 53720, 56090, 56406, 57120, 57936, 59640, 64464, 66360, 67308, 67592, 68160, 72420, 75208, 75840, 77248, 78526, 79520, 80580, 84135, 84490, 85952, 88480, 89744, 94010, 95353, 95424, 96560, 101388, 106176, 107440, 112180, 112812, 114240, 115872, 117789, 119280, 126735, 128928, 132720, 134616, 135184, 141015, 144840, 150416, 157052, 159040, 161160, 168270, 168980, 176960, 179488, 188020, 190706, 193120, 196315, 202776, 214880, 224360, 225624, 231744, 235578, 238560, 253470, 257856, 265440, 269232, 270368, 282030, 286059, 289680, 300832, 314104, 322320, 336540, 337960, 358976, 376040, 381412, 386240, 392630, 405552, 429760, 448720, 451248, 471156, 476765, 477120, 506940, 530880, 538464, 540736, 564060, 572118, 579360, 588945, 601664, 628208, 644640, 667471, 673080, 675920, 752080, 762824, 785260, 811104, 897440, 902496, 942312, 953530, 1013880, 1076928, 1128120, 1144236, 1158720, 1177890, 1256416, 1289280, 1334942, 1346160, 1351840, 1430295, 1504160, 1525648, 1570520, 1622208, 1794880, 1804992, 1884624, 1907060, 2002413, 2027760, 2256240, 2288472, 2355780, 2512832, 2669884, 2692320, 2703680, 2860590, 3008320, 3051296, 3141040, 3337355, 3769248, 3814120, 4004826, 4055520, 4512480, 4576944, 4711560, 5339768, 5384640, 5721180, 6102592, 6282080, 6674710, 7538496, 7628240, 8009652, 8111040, 9024960, 9153888, 9423120, 10012065, 10679536, 11442360, 12564160, 13349420, 15256480, 16019304, 18307776, 18846240, 20024130, 21359072, 22884720, 26698840, 30512960, 32038608, 37692480, 40048260, 42718144, 45769440, 53397680, 64077216, 80096520, 91538880, 106795360, 128154432, 160193040, 213590720, 320386080, 640772160]

約数ペア:

[(1, 640772160), (2, 320386080), (3, 213590720), (4, 160193040), (5, 128154432), (6, 106795360), (7, 91538880), (8, 80096520), (10, 64077216), (12, 53397680), (14, 45769440), (15, 42718144), (16, 40048260), (17, 37692480), (20, 32038608), (21, 30512960), (24, 26698840), (28, 22884720), (30, 21359072), (32, 20024130), (34, 18846240), (35, 18307776), (40, 16019304), (42, 15256480), (48, 13349420), (51, 12564160), (56, 11442360), (60, 10679536), (64, 10012065), (68, 9423120), (70, 9153888), (71, 9024960), (79, 8111040), (80, 8009652), (84, 7628240), (85, 7538496), (96, 6674710), (102, 6282080), (105, 6102592), (112, 5721180), (119, 5384640), (120, 5339768), (136, 4711560), (140, 4576944), (142, 4512480), (158, 4055520), (160, 4004826), (168, 3814120), (170, 3769248), (192, 3337355), (204, 3141040), (210, 3051296), (213, 3008320), (224, 2860590), (237, 2703680), (238, 2692320), (240, 2669884), (255, 2512832), (272, 2355780), (280, 2288472), (284, 2256240), (316, 2027760), (320, 2002413), (336, 1907060), (340, 1884624), (355, 1804992), (357, 1794880), (395, 1622208), (408, 1570520), (420, 1525648), (426, 1504160), (448, 1430295), (474, 1351840), (476, 1346160), (480, 1334942), (497, 1289280), (510, 1256416), (544, 1177890), (553, 1158720), (560, 1144236), (568, 1128120), (595, 1076928), (632, 1013880), (672, 953530), (680, 942312), (710, 902496), (714, 897440), (790, 811104), (816, 785260), (840, 762824), (852, 752080), (948, 675920), (952, 673080), (960, 667471), (994, 644640), (1020, 628208), (1065, 601664), (1088, 588945), (1106, 579360), (1120, 572118), (1136, 564060), (1185, 540736), (1190, 538464), (1207, 530880), (1264, 506940), (1343, 477120), (1344, 476765), (1360, 471156), (1420, 451248), (1428, 448720), (1491, 429760), (1580, 405552), (1632, 392630), (1659, 386240), (1680, 381412), (1704, 376040), (1785, 358976), (1896, 337960), (1904, 336540), (1988, 322320), (2040, 314104), (2130, 300832), (2212, 289680), (2240, 286059), (2272, 282030), (2370, 270368), (2380, 269232), (2414, 265440), (2485, 257856), (2528, 253470), (2686, 238560), (2720, 235578), (2765, 231744), (2840, 225624), (2856, 224360), (2982, 214880), (3160, 202776), (3264, 196315), (3318, 193120), (3360, 190706), (3408, 188020), (3570, 179488), (3621, 176960), (3792, 168980), (3808, 168270), (3976, 161160), (4029, 159040), (4080, 157052), (4260, 150416), (4424, 144840), (4544, 141015), (4740, 135184), (4760, 134616), (4828, 132720), (4970, 128928), (5056, 126735), (5372, 119280), (5440, 117789), (5530, 115872), (5609, 114240), (5680, 112812), (5712, 112180), (5964, 107440), (6035, 106176), (6320, 101388), (6636, 96560), (6715, 95424), (6720, 95353), (6816, 94010), (7140, 89744), (7242, 88480), (7455, 85952), (7584, 84490), (7616, 84135), (7952, 80580), (8058, 79520), (8160, 78526), (8295, 77248), (8449, 75840), (8520, 75208), (8848, 72420), (9401, 68160), (9480, 67592), (9520, 67308), (9656, 66360), (9940, 64464), (10744, 59640), (11060, 57936), (11218, 57120), (11360, 56406), (11424, 56090), (11928, 53720), (12070, 53088), (12640, 50694), (13272, 48280), (13430, 47712), (13632, 47005), (14280, 44872), (14484, 44240), (14910, 42976), (15168, 42245), (15904, 40290), (16116, 39760), (16320, 39263), (16590, 38624), (16827, 38080), (16898, 37920), (17040, 37604), (17696, 36210), (18105, 35392), (18802, 34080), (18960, 33796), (19040, 33654), (19312, 33180), (19880, 32232), (20145, 31808), (21488, 29820), (22120, 28968), (22436, 28560), (22720, 28203), (22848, 28045), (23856, 26860), (24140, 26544), (25280, 25347)]