80640480

素因数分解:

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

素因数の和:3968

約数の個数: 96

約数和(自身を含む): 259991424

約数和(自身を除く): 179350944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 96, 120, 129, 160, 172, 215, 240, 258, 344, 430, 480, 516, 645, 688, 860, 1032, 1290, 1376, 1720, 2064, 2580, 3440, 3907, 4128, 5160, 6880, 7814, 10320, 11721, 15628, 19535, 20640, 23442, 31256, 39070, 46884, 58605, 62512, 78140, 93768, 117210, 125024, 156280, 168001, 187536, 234420, 312560, 336002, 375072, 468840, 504003, 625120, 672004, 840005, 937680, 1008006, 1344008, 1680010, 1875360, 2016012, 2520015, 2688016, 3360020, 4032024, 5040030, 5376032, 6720040, 8064048, 10080060, 13440080, 16128096, 20160120, 26880160, 40320240, 80640480]

約数ペア:

[(1, 80640480), (2, 40320240), (3, 26880160), (4, 20160120), (5, 16128096), (6, 13440080), (8, 10080060), (10, 8064048), (12, 6720040), (15, 5376032), (16, 5040030), (20, 4032024), (24, 3360020), (30, 2688016), (32, 2520015), (40, 2016012), (43, 1875360), (48, 1680010), (60, 1344008), (80, 1008006), (86, 937680), (96, 840005), (120, 672004), (129, 625120), (160, 504003), (172, 468840), (215, 375072), (240, 336002), (258, 312560), (344, 234420), (430, 187536), (480, 168001), (516, 156280), (645, 125024), (688, 117210), (860, 93768), (1032, 78140), (1290, 62512), (1376, 58605), (1720, 46884), (2064, 39070), (2580, 31256), (3440, 23442), (3907, 20640), (4128, 19535), (5160, 15628), (6880, 11721), (7814, 10320)]