121181520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2393}}^1$

素因数の和:2620

約数の個数: 80

約数和(自身を含む): 377600832

約数和(自身を除く): 256419312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1688, 2110, 2393, 2532, 3165, 3376, 4220, 4786, 5064, 6330, 7179, 8440, 9572, 10128, 11965, 12660, 14358, 16880, 19144, 23930, 25320, 28716, 35895, 38288, 47860, 50640, 57432, 71790, 95720, 114864, 143580, 191440, 287160, 504923, 574320, 1009846, 1514769, 2019692, 2524615, 3029538, 4039384, 5049230, 6059076, 7573845, 8078768, 10098460, 12118152, 15147690, 20196920, 24236304, 30295380, 40393840, 60590760, 121181520]

約数ペア:

[(1, 121181520), (2, 60590760), (3, 40393840), (4, 30295380), (5, 24236304), (6, 20196920), (8, 15147690), (10, 12118152), (12, 10098460), (15, 8078768), (16, 7573845), (20, 6059076), (24, 5049230), (30, 4039384), (40, 3029538), (48, 2524615), (60, 2019692), (80, 1514769), (120, 1009846), (211, 574320), (240, 504923), (422, 287160), (633, 191440), (844, 143580), (1055, 114864), (1266, 95720), (1688, 71790), (2110, 57432), (2393, 50640), (2532, 47860), (3165, 38288), (3376, 35895), (4220, 28716), (4786, 25320), (5064, 23930), (6330, 19144), (7179, 16880), (8440, 14358), (9572, 12660), (10128, 11965)]