198737520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 636387840

約数和(自身を除く): 437650320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 107, 109, 120, 142, 213, 214, 218, 240, 284, 321, 327, 355, 426, 428, 436, 535, 545, 568, 642, 654, 710, 852, 856, 872, 1065, 1070, 1090, 1136, 1284, 1308, 1420, 1605, 1635, 1704, 1712, 1744, 2130, 2140, 2180, 2568, 2616, 2840, 3210, 3270, 3408, 4260, 4280, 4360, 5136, 5232, 5680, 6420, 6540, 7597, 7739, 8520, 8560, 8720, 11663, 12840, 13080, 15194, 15478, 17040, 22791, 23217, 23326, 25680, 26160, 30388, 30956, 34989, 37985, 38695, 45582, 46434, 46652, 58315, 60776, 61912, 69978, 75970, 77390, 91164, 92868, 93304, 113955, 116085, 116630, 121552, 123824, 139956, 151940, 154780, 174945, 182328, 185736, 186608, 227910, 232170, 233260, 279912, 303880, 309560, 349890, 364656, 371472, 455820, 464340, 466520, 559824, 607760, 619120, 699780, 828073, 911640, 928680, 933040, 1399560, 1656146, 1823280, 1857360, 2484219, 2799120, 3312292, 4140365, 4968438, 6624584, 8280730, 9936876, 12421095, 13249168, 16561460, 19873752, 24842190, 33122920, 39747504, 49684380, 66245840, 99368760, 198737520]

約数ペア:

[(1, 198737520), (2, 99368760), (3, 66245840), (4, 49684380), (5, 39747504), (6, 33122920), (8, 24842190), (10, 19873752), (12, 16561460), (15, 13249168), (16, 12421095), (20, 9936876), (24, 8280730), (30, 6624584), (40, 4968438), (48, 4140365), (60, 3312292), (71, 2799120), (80, 2484219), (107, 1857360), (109, 1823280), (120, 1656146), (142, 1399560), (213, 933040), (214, 928680), (218, 911640), (240, 828073), (284, 699780), (321, 619120), (327, 607760), (355, 559824), (426, 466520), (428, 464340), (436, 455820), (535, 371472), (545, 364656), (568, 349890), (642, 309560), (654, 303880), (710, 279912), (852, 233260), (856, 232170), (872, 227910), (1065, 186608), (1070, 185736), (1090, 182328), (1136, 174945), (1284, 154780), (1308, 151940), (1420, 139956), (1605, 123824), (1635, 121552), (1704, 116630), (1712, 116085), (1744, 113955), (2130, 93304), (2140, 92868), (2180, 91164), (2568, 77390), (2616, 75970), (2840, 69978), (3210, 61912), (3270, 60776), (3408, 58315), (4260, 46652), (4280, 46434), (4360, 45582), (5136, 38695), (5232, 37985), (5680, 34989), (6420, 30956), (6540, 30388), (7597, 26160), (7739, 25680), (8520, 23326), (8560, 23217), (8720, 22791), (11663, 17040), (12840, 15478), (13080, 15194)]