399485760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5861}}^1$

素因数の和:5952

約数の個数: 112

約数和(自身を含む): 1286451072

約数和(自身を除く): 886965312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 142, 160, 192, 213, 240, 284, 320, 355, 426, 480, 568, 710, 852, 960, 1065, 1136, 1420, 1704, 2130, 2272, 2840, 3408, 4260, 4544, 5680, 5861, 6816, 8520, 11360, 11722, 13632, 17040, 17583, 22720, 23444, 29305, 34080, 35166, 46888, 58610, 68160, 70332, 87915, 93776, 117220, 140664, 175830, 187552, 234440, 281328, 351660, 375104, 416131, 468880, 562656, 703320, 832262, 937760, 1125312, 1248393, 1406640, 1664524, 1875520, 2080655, 2496786, 2813280, 3329048, 4161310, 4993572, 5626560, 6241965, 6658096, 8322620, 9987144, 12483930, 13316192, 16645240, 19974288, 24967860, 26632384, 33290480, 39948576, 49935720, 66580960, 79897152, 99871440, 133161920, 199742880, 399485760]

約数ペア:

[(1, 399485760), (2, 199742880), (3, 133161920), (4, 99871440), (5, 79897152), (6, 66580960), (8, 49935720), (10, 39948576), (12, 33290480), (15, 26632384), (16, 24967860), (20, 19974288), (24, 16645240), (30, 13316192), (32, 12483930), (40, 9987144), (48, 8322620), (60, 6658096), (64, 6241965), (71, 5626560), (80, 4993572), (96, 4161310), (120, 3329048), (142, 2813280), (160, 2496786), (192, 2080655), (213, 1875520), (240, 1664524), (284, 1406640), (320, 1248393), (355, 1125312), (426, 937760), (480, 832262), (568, 703320), (710, 562656), (852, 468880), (960, 416131), (1065, 375104), (1136, 351660), (1420, 281328), (1704, 234440), (2130, 187552), (2272, 175830), (2840, 140664), (3408, 117220), (4260, 93776), (4544, 87915), (5680, 70332), (5861, 68160), (6816, 58610), (8520, 46888), (11360, 35166), (11722, 34080), (13632, 29305), (17040, 23444), (17583, 22720)]