81021189840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1499}}^1\times {\mathrm{1993}}^1$

素因数の和:3621

約数の個数: 160

約数和(自身を含む): 253684656000

約数和(自身を除く): 172663466160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 904, 1130, 1356, 1499, 1695, 1808, 1993, 2260, 2712, 2998, 3390, 3986, 4497, 4520, 5424, 5979, 5996, 6780, 7495, 7972, 8994, 9040, 9965, 11958, 11992, 13560, 14990, 15944, 17988, 19930, 22485, 23916, 23984, 27120, 29895, 29980, 31888, 35976, 39860, 44970, 47832, 59790, 59960, 71952, 79720, 89940, 95664, 119580, 119920, 159440, 169387, 179880, 225209, 239160, 338774, 359760, 450418, 478320, 508161, 675627, 677548, 846935, 900836, 1016322, 1126045, 1351254, 1355096, 1693870, 1801672, 2032644, 2252090, 2540805, 2702508, 2710192, 2987507, 3378135, 3387740, 3603344, 4065288, 4504180, 5081610, 5405016, 5975014, 6756270, 6775480, 8130576, 8962521, 9008360, 10163220, 10810032, 11950028, 13512540, 13550960, 14937535, 17925042, 18016720, 20326440, 23900056, 27025080, 29875070, 35850084, 40652880, 44812605, 47800112, 54050160, 59750140, 71700168, 89625210, 119500280, 143400336, 179250420, 239000560, 337588291, 358500840, 675176582, 717001680, 1012764873, 1350353164, 1687941455, 2025529746, 2700706328, 3375882910, 4051059492, 5063824365, 5401412656, 6751765820, 8102118984, 10127648730, 13503531640, 16204237968, 20255297460, 27007063280, 40510594920, 81021189840]

約数ペア:

[(1, 81021189840), (2, 40510594920), (3, 27007063280), (4, 20255297460), (5, 16204237968), (6, 13503531640), (8, 10127648730), (10, 8102118984), (12, 6751765820), (15, 5401412656), (16, 5063824365), (20, 4051059492), (24, 3375882910), (30, 2700706328), (40, 2025529746), (48, 1687941455), (60, 1350353164), (80, 1012764873), (113, 717001680), (120, 675176582), (226, 358500840), (240, 337588291), (339, 239000560), (452, 179250420), (565, 143400336), (678, 119500280), (904, 89625210), (1130, 71700168), (1356, 59750140), (1499, 54050160), (1695, 47800112), (1808, 44812605), (1993, 40652880), (2260, 35850084), (2712, 29875070), (2998, 27025080), (3390, 23900056), (3986, 20326440), (4497, 18016720), (4520, 17925042), (5424, 14937535), (5979, 13550960), (5996, 13512540), (6780, 11950028), (7495, 10810032), (7972, 10163220), (8994, 9008360), (9040, 8962521), (9965, 8130576), (11958, 6775480), (11992, 6756270), (13560, 5975014), (14990, 5405016), (15944, 5081610), (17988, 4504180), (19930, 4065288), (22485, 3603344), (23916, 3387740), (23984, 3378135), (27120, 2987507), (29895, 2710192), (29980, 2702508), (31888, 2540805), (35976, 2252090), (39860, 2032644), (44970, 1801672), (47832, 1693870), (59790, 1355096), (59960, 1351254), (71952, 1126045), (79720, 1016322), (89940, 900836), (95664, 846935), (119580, 677548), (119920, 675627), (159440, 508161), (169387, 478320), (179880, 450418), (225209, 359760), (239160, 338774)]