81442080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2459}}^1$

素因数の和:2503

約数の個数: 144

約数和(自身を含む): 290122560

約数和(自身を除く): 208680480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 690, 720, 736, 828, 920, 1035, 1104, 1380, 1440, 1656, 1840, 2070, 2208, 2459, 2760, 3312, 3680, 4140, 4918, 5520, 6624, 7377, 8280, 9836, 11040, 12295, 14754, 16560, 19672, 22131, 24590, 29508, 33120, 36885, 39344, 44262, 49180, 56557, 59016, 73770, 78688, 88524, 98360, 110655, 113114, 118032, 147540, 169671, 177048, 196720, 221310, 226228, 236064, 282785, 295080, 339342, 354096, 393440, 442620, 452456, 509013, 565570, 590160, 678684, 708192, 848355, 885240, 904912, 1018026, 1131140, 1180320, 1357368, 1696710, 1770480, 1809824, 2036052, 2262280, 2545065, 2714736, 3393420, 3540960, 4072104, 4524560, 5090130, 5429472, 6786840, 8144208, 9049120, 10180260, 13573680, 16288416, 20360520, 27147360, 40721040, 81442080]

約数ペア:

[(1, 81442080), (2, 40721040), (3, 27147360), (4, 20360520), (5, 16288416), (6, 13573680), (8, 10180260), (9, 9049120), (10, 8144208), (12, 6786840), (15, 5429472), (16, 5090130), (18, 4524560), (20, 4072104), (23, 3540960), (24, 3393420), (30, 2714736), (32, 2545065), (36, 2262280), (40, 2036052), (45, 1809824), (46, 1770480), (48, 1696710), (60, 1357368), (69, 1180320), (72, 1131140), (80, 1018026), (90, 904912), (92, 885240), (96, 848355), (115, 708192), (120, 678684), (138, 590160), (144, 565570), (160, 509013), (180, 452456), (184, 442620), (207, 393440), (230, 354096), (240, 339342), (276, 295080), (288, 282785), (345, 236064), (360, 226228), (368, 221310), (414, 196720), (460, 177048), (480, 169671), (552, 147540), (690, 118032), (720, 113114), (736, 110655), (828, 98360), (920, 88524), (1035, 78688), (1104, 73770), (1380, 59016), (1440, 56557), (1656, 49180), (1840, 44262), (2070, 39344), (2208, 36885), (2459, 33120), (2760, 29508), (3312, 24590), (3680, 22131), (4140, 19672), (4918, 16560), (5520, 14754), (6624, 12295), (7377, 11040), (8280, 9836)]