399654480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53717}}^1$

素因数の和:53764

約数の個数: 80

約数和(自身を含む): 1278918144

約数和(自身を除く): 879263664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 53717, 107434, 161151, 214868, 268585, 322302, 429736, 537170, 644604, 805755, 859472, 1074340, 1289208, 1611510, 1665227, 2148680, 2578416, 3223020, 3330454, 4297360, 4995681, 6446040, 6660908, 8326135, 9991362, 12892080, 13321816, 16652270, 19982724, 24978405, 26643632, 33304540, 39965448, 49956810, 66609080, 79930896, 99913620, 133218160, 199827240, 399654480]

約数ペア:

[(1, 399654480), (2, 199827240), (3, 133218160), (4, 99913620), (5, 79930896), (6, 66609080), (8, 49956810), (10, 39965448), (12, 33304540), (15, 26643632), (16, 24978405), (20, 19982724), (24, 16652270), (30, 13321816), (31, 12892080), (40, 9991362), (48, 8326135), (60, 6660908), (62, 6446040), (80, 4995681), (93, 4297360), (120, 3330454), (124, 3223020), (155, 2578416), (186, 2148680), (240, 1665227), (248, 1611510), (310, 1289208), (372, 1074340), (465, 859472), (496, 805755), (620, 644604), (744, 537170), (930, 429736), (1240, 322302), (1488, 268585), (1860, 214868), (2480, 161151), (3720, 107434), (7440, 53717)]