221697120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:413

約数の個数: 192

約数和(自身を含む): 738533376

約数和(自身を除く): 516836256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 47, 48, 60, 62, 80, 93, 94, 96, 120, 124, 141, 155, 160, 186, 188, 235, 240, 248, 282, 310, 317, 372, 376, 465, 470, 480, 496, 564, 620, 634, 705, 744, 752, 930, 940, 951, 992, 1128, 1240, 1268, 1410, 1457, 1488, 1504, 1585, 1860, 1880, 1902, 2256, 2480, 2536, 2820, 2914, 2976, 3170, 3720, 3760, 3804, 4371, 4512, 4755, 4960, 5072, 5640, 5828, 6340, 7285, 7440, 7520, 7608, 8742, 9510, 9827, 10144, 11280, 11656, 12680, 14570, 14880, 14899, 15216, 17484, 19020, 19654, 21855, 22560, 23312, 25360, 29140, 29481, 29798, 30432, 34968, 38040, 39308, 43710, 44697, 46624, 49135, 50720, 58280, 58962, 59596, 69936, 74495, 76080, 78616, 87420, 89394, 98270, 116560, 117924, 119192, 139872, 147405, 148990, 152160, 157232, 174840, 178788, 196540, 223485, 233120, 235848, 238384, 294810, 297980, 314464, 349680, 357576, 393080, 446970, 461869, 471696, 476768, 589620, 595960, 699360, 715152, 786160, 893940, 923738, 943392, 1179240, 1191920, 1385607, 1430304, 1572320, 1787880, 1847476, 2309345, 2358480, 2383840, 2771214, 3575760, 3694952, 4618690, 4716960, 5542428, 6928035, 7151520, 7389904, 9237380, 11084856, 13856070, 14779808, 18474760, 22169712, 27712140, 36949520, 44339424, 55424280, 73899040, 110848560, 221697120]

約数ペア:

[(1, 221697120), (2, 110848560), (3, 73899040), (4, 55424280), (5, 44339424), (6, 36949520), (8, 27712140), (10, 22169712), (12, 18474760), (15, 14779808), (16, 13856070), (20, 11084856), (24, 9237380), (30, 7389904), (31, 7151520), (32, 6928035), (40, 5542428), (47, 4716960), (48, 4618690), (60, 3694952), (62, 3575760), (80, 2771214), (93, 2383840), (94, 2358480), (96, 2309345), (120, 1847476), (124, 1787880), (141, 1572320), (155, 1430304), (160, 1385607), (186, 1191920), (188, 1179240), (235, 943392), (240, 923738), (248, 893940), (282, 786160), (310, 715152), (317, 699360), (372, 595960), (376, 589620), (465, 476768), (470, 471696), (480, 461869), (496, 446970), (564, 393080), (620, 357576), (634, 349680), (705, 314464), (744, 297980), (752, 294810), (930, 238384), (940, 235848), (951, 233120), (992, 223485), (1128, 196540), (1240, 178788), (1268, 174840), (1410, 157232), (1457, 152160), (1488, 148990), (1504, 147405), (1585, 139872), (1860, 119192), (1880, 117924), (1902, 116560), (2256, 98270), (2480, 89394), (2536, 87420), (2820, 78616), (2914, 76080), (2976, 74495), (3170, 69936), (3720, 59596), (3760, 58962), (3804, 58280), (4371, 50720), (4512, 49135), (4755, 46624), (4960, 44697), (5072, 43710), (5640, 39308), (5828, 38040), (6340, 34968), (7285, 30432), (7440, 29798), (7520, 29481), (7608, 29140), (8742, 25360), (9510, 23312), (9827, 22560), (10144, 21855), (11280, 19654), (11656, 19020), (12680, 17484), (14570, 15216), (14880, 14899)]