81476640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:224

約数の個数: 288

約数和(自身を含む): 325503360

約数和(自身を除く): 244026720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 59, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 118, 120, 126, 137, 140, 144, 160, 168, 177, 180, 210, 224, 236, 240, 252, 274, 280, 288, 295, 315, 336, 354, 360, 411, 413, 420, 472, 480, 504, 531, 548, 560, 590, 630, 672, 685, 708, 720, 822, 826, 840, 885, 944, 959, 1008, 1062, 1096, 1120, 1180, 1233, 1239, 1260, 1370, 1416, 1440, 1644, 1652, 1680, 1770, 1888, 1918, 2016, 2055, 2065, 2124, 2192, 2360, 2466, 2478, 2520, 2655, 2740, 2832, 2877, 3288, 3304, 3360, 3540, 3717, 3836, 4110, 4130, 4248, 4384, 4720, 4795, 4932, 4956, 5040, 5310, 5480, 5664, 5754, 6165, 6195, 6576, 6608, 7080, 7434, 7672, 8083, 8220, 8260, 8496, 8631, 9440, 9590, 9864, 9912, 10080, 10620, 10960, 11508, 12330, 12390, 13152, 13216, 14160, 14385, 14868, 15344, 16166, 16440, 16520, 16992, 17262, 18585, 19180, 19728, 19824, 21240, 21920, 23016, 24249, 24660, 24780, 28320, 28770, 29736, 30688, 32332, 32880, 33040, 34524, 37170, 38360, 39456, 39648, 40415, 42480, 43155, 46032, 48498, 49320, 49560, 56581, 57540, 59472, 64664, 65760, 66080, 69048, 72747, 74340, 76720, 80830, 84960, 86310, 92064, 96996, 98640, 99120, 113162, 115080, 118944, 121245, 129328, 138096, 145494, 148680, 153440, 161660, 169743, 172620, 193992, 197280, 198240, 226324, 230160, 242490, 258656, 276192, 282905, 290988, 297360, 323320, 339486, 345240, 363735, 387984, 452648, 460320, 484980, 509229, 565810, 581976, 594720, 646640, 678972, 690480, 727470, 775968, 848715, 905296, 969960, 1018458, 1131620, 1163952, 1293280, 1357944, 1380960, 1454940, 1697430, 1810592, 1939920, 2036916, 2263240, 2327904, 2546145, 2715888, 2909880, 3394860, 3879840, 4073832, 4526480, 5092290, 5431776, 5819760, 6789720, 8147664, 9052960, 10184580, 11639520, 13579440, 16295328, 20369160, 27158880, 40738320, 81476640]

約数ペア:

[(1, 81476640), (2, 40738320), (3, 27158880), (4, 20369160), (5, 16295328), (6, 13579440), (7, 11639520), (8, 10184580), (9, 9052960), (10, 8147664), (12, 6789720), (14, 5819760), (15, 5431776), (16, 5092290), (18, 4526480), (20, 4073832), (21, 3879840), (24, 3394860), (28, 2909880), (30, 2715888), (32, 2546145), (35, 2327904), (36, 2263240), (40, 2036916), (42, 1939920), (45, 1810592), (48, 1697430), (56, 1454940), (59, 1380960), (60, 1357944), (63, 1293280), (70, 1163952), (72, 1131620), (80, 1018458), (84, 969960), (90, 905296), (96, 848715), (105, 775968), (112, 727470), (118, 690480), (120, 678972), (126, 646640), (137, 594720), (140, 581976), (144, 565810), (160, 509229), (168, 484980), (177, 460320), (180, 452648), (210, 387984), (224, 363735), (236, 345240), (240, 339486), (252, 323320), (274, 297360), (280, 290988), (288, 282905), (295, 276192), (315, 258656), (336, 242490), (354, 230160), (360, 226324), (411, 198240), (413, 197280), (420, 193992), (472, 172620), (480, 169743), (504, 161660), (531, 153440), (548, 148680), (560, 145494), (590, 138096), (630, 129328), (672, 121245), (685, 118944), (708, 115080), (720, 113162), (822, 99120), (826, 98640), (840, 96996), (885, 92064), (944, 86310), (959, 84960), (1008, 80830), (1062, 76720), (1096, 74340), (1120, 72747), (1180, 69048), (1233, 66080), (1239, 65760), (1260, 64664), (1370, 59472), (1416, 57540), (1440, 56581), (1644, 49560), (1652, 49320), (1680, 48498), (1770, 46032), (1888, 43155), (1918, 42480), (2016, 40415), (2055, 39648), (2065, 39456), (2124, 38360), (2192, 37170), (2360, 34524), (2466, 33040), (2478, 32880), (2520, 32332), (2655, 30688), (2740, 29736), (2832, 28770), (2877, 28320), (3288, 24780), (3304, 24660), (3360, 24249), (3540, 23016), (3717, 21920), (3836, 21240), (4110, 19824), (4130, 19728), (4248, 19180), (4384, 18585), (4720, 17262), (4795, 16992), (4932, 16520), (4956, 16440), (5040, 16166), (5310, 15344), (5480, 14868), (5664, 14385), (5754, 14160), (6165, 13216), (6195, 13152), (6576, 12390), (6608, 12330), (7080, 11508), (7434, 10960), (7672, 10620), (8083, 10080), (8220, 9912), (8260, 9864), (8496, 9590), (8631, 9440)]