18049920

素因数分解:

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

素因数の和:125

約数の個数: 256

約数和(自身を含む): 70502400

約数和(自身を除く): 52452480

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, 79, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 158, 160, 168, 170, 192, 204, 210, 224, 237, 238, 240, 255, 272, 280, 316, 320, 336, 340, 357, 384, 395, 408, 420, 448, 474, 476, 480, 510, 544, 553, 560, 595, 632, 640, 672, 680, 714, 790, 816, 840, 896, 948, 952, 960, 1020, 1088, 1106, 1120, 1185, 1190, 1264, 1343, 1344, 1360, 1428, 1580, 1632, 1659, 1680, 1785, 1896, 1904, 1920, 2040, 2176, 2212, 2240, 2370, 2380, 2528, 2686, 2688, 2720, 2765, 2856, 3160, 3264, 3318, 3360, 3570, 3792, 3808, 4029, 4080, 4424, 4480, 4740, 4760, 5056, 5372, 5440, 5530, 5712, 6320, 6528, 6636, 6715, 6720, 7140, 7584, 7616, 8058, 8160, 8295, 8848, 9401, 9480, 9520, 10112, 10744, 10880, 11060, 11424, 12640, 13272, 13430, 13440, 14280, 15168, 15232, 16116, 16320, 16590, 17696, 18802, 18960, 19040, 20145, 21488, 22120, 22848, 25280, 26544, 26860, 28203, 28560, 30336, 32232, 32640, 33180, 35392, 37604, 37920, 38080, 40290, 42976, 44240, 45696, 47005, 50560, 53088, 53720, 56406, 57120, 64464, 66360, 70784, 75208, 75840, 76160, 80580, 85952, 88480, 94010, 106176, 107440, 112812, 114240, 128928, 132720, 141015, 150416, 151680, 161160, 171904, 176960, 188020, 212352, 214880, 225624, 228480, 257856, 265440, 282030, 300832, 322320, 353920, 376040, 429760, 451248, 515712, 530880, 564060, 601664, 644640, 752080, 859520, 902496, 1061760, 1128120, 1203328, 1289280, 1504160, 1804992, 2256240, 2578560, 3008320, 3609984, 4512480, 6016640, 9024960, 18049920]

約数ペア:

[(1, 18049920), (2, 9024960), (3, 6016640), (4, 4512480), (5, 3609984), (6, 3008320), (7, 2578560), (8, 2256240), (10, 1804992), (12, 1504160), (14, 1289280), (15, 1203328), (16, 1128120), (17, 1061760), (20, 902496), (21, 859520), (24, 752080), (28, 644640), (30, 601664), (32, 564060), (34, 530880), (35, 515712), (40, 451248), (42, 429760), (48, 376040), (51, 353920), (56, 322320), (60, 300832), (64, 282030), (68, 265440), (70, 257856), (79, 228480), (80, 225624), (84, 214880), (85, 212352), (96, 188020), (102, 176960), (105, 171904), (112, 161160), (119, 151680), (120, 150416), (128, 141015), (136, 132720), (140, 128928), (158, 114240), (160, 112812), (168, 107440), (170, 106176), (192, 94010), (204, 88480), (210, 85952), (224, 80580), (237, 76160), (238, 75840), (240, 75208), (255, 70784), (272, 66360), (280, 64464), (316, 57120), (320, 56406), (336, 53720), (340, 53088), (357, 50560), (384, 47005), (395, 45696), (408, 44240), (420, 42976), (448, 40290), (474, 38080), (476, 37920), (480, 37604), (510, 35392), (544, 33180), (553, 32640), (560, 32232), (595, 30336), (632, 28560), (640, 28203), (672, 26860), (680, 26544), (714, 25280), (790, 22848), (816, 22120), (840, 21488), (896, 20145), (948, 19040), (952, 18960), (960, 18802), (1020, 17696), (1088, 16590), (1106, 16320), (1120, 16116), (1185, 15232), (1190, 15168), (1264, 14280), (1343, 13440), (1344, 13430), (1360, 13272), (1428, 12640), (1580, 11424), (1632, 11060), (1659, 10880), (1680, 10744), (1785, 10112), (1896, 9520), (1904, 9480), (1920, 9401), (2040, 8848), (2176, 8295), (2212, 8160), (2240, 8058), (2370, 7616), (2380, 7584), (2528, 7140), (2686, 6720), (2688, 6715), (2720, 6636), (2765, 6528), (2856, 6320), (3160, 5712), (3264, 5530), (3318, 5440), (3360, 5372), (3570, 5056), (3792, 4760), (3808, 4740), (4029, 4480), (4080, 4424)]