40320240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3907}}^1$

素因数の和:3966

約数の個数: 80

約数和(自身を含む): 127932288

約数和(自身を除く): 87612048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 3907, 5160, 7814, 10320, 11721, 15628, 19535, 23442, 31256, 39070, 46884, 58605, 62512, 78140, 93768, 117210, 156280, 168001, 187536, 234420, 312560, 336002, 468840, 504003, 672004, 840005, 937680, 1008006, 1344008, 1680010, 2016012, 2520015, 2688016, 3360020, 4032024, 5040030, 6720040, 8064048, 10080060, 13440080, 20160120, 40320240]

約数ペア:

[(1, 40320240), (2, 20160120), (3, 13440080), (4, 10080060), (5, 8064048), (6, 6720040), (8, 5040030), (10, 4032024), (12, 3360020), (15, 2688016), (16, 2520015), (20, 2016012), (24, 1680010), (30, 1344008), (40, 1008006), (43, 937680), (48, 840005), (60, 672004), (80, 504003), (86, 468840), (120, 336002), (129, 312560), (172, 234420), (215, 187536), (240, 168001), (258, 156280), (344, 117210), (430, 93768), (516, 78140), (645, 62512), (688, 58605), (860, 46884), (1032, 39070), (1290, 31256), (1720, 23442), (2064, 19535), (2580, 15628), (3440, 11721), (3907, 10320), (5160, 7814)]