221908440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2411}}^1$

素因数の和:2497

約数の個数: 128

約数和(自身を含む): 729388800

約数和(自身を除く): 507480360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 236, 260, 295, 312, 354, 390, 472, 520, 590, 708, 767, 780, 885, 1180, 1416, 1534, 1560, 1770, 2301, 2360, 2411, 3068, 3540, 3835, 4602, 4822, 6136, 7080, 7233, 7670, 9204, 9644, 11505, 12055, 14466, 15340, 18408, 19288, 23010, 24110, 28932, 30680, 31343, 36165, 46020, 48220, 57864, 62686, 72330, 92040, 94029, 96440, 125372, 142249, 144660, 156715, 188058, 250744, 284498, 289320, 313430, 376116, 426747, 470145, 568996, 626860, 711245, 752232, 853494, 940290, 1137992, 1253720, 1422490, 1706988, 1849237, 1880580, 2133735, 2844980, 3413976, 3698474, 3761160, 4267470, 5547711, 5689960, 7396948, 8534940, 9246185, 11095422, 14793896, 17069880, 18492370, 22190844, 27738555, 36984740, 44381688, 55477110, 73969480, 110954220, 221908440]

約数ペア:

[(1, 221908440), (2, 110954220), (3, 73969480), (4, 55477110), (5, 44381688), (6, 36984740), (8, 27738555), (10, 22190844), (12, 18492370), (13, 17069880), (15, 14793896), (20, 11095422), (24, 9246185), (26, 8534940), (30, 7396948), (39, 5689960), (40, 5547711), (52, 4267470), (59, 3761160), (60, 3698474), (65, 3413976), (78, 2844980), (104, 2133735), (118, 1880580), (120, 1849237), (130, 1706988), (156, 1422490), (177, 1253720), (195, 1137992), (236, 940290), (260, 853494), (295, 752232), (312, 711245), (354, 626860), (390, 568996), (472, 470145), (520, 426747), (590, 376116), (708, 313430), (767, 289320), (780, 284498), (885, 250744), (1180, 188058), (1416, 156715), (1534, 144660), (1560, 142249), (1770, 125372), (2301, 96440), (2360, 94029), (2411, 92040), (3068, 72330), (3540, 62686), (3835, 57864), (4602, 48220), (4822, 46020), (6136, 36165), (7080, 31343), (7233, 30680), (7670, 28932), (9204, 24110), (9644, 23010), (11505, 19288), (12055, 18408), (14466, 15340)]