31485079920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18741119}}^1$

素因数の和:18741142

約数の個数: 80

約数和(自身を含む): 111547146240

約数和(自身を除く): 80062066320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18741119, 37482238, 56223357, 74964476, 93705595, 112446714, 131187833, 149928952, 187411190, 224893428, 262375666, 281116785, 299857904, 374822380, 393563499, 449786856, 524751332, 562233570, 655939165, 749644760, 787126998, 899573712, 1049502664, 1124467140, 1311878330, 1499289520, 1574253996, 1967817495, 2099005328, 2248934280, 2623756660, 3148507992, 3935634990, 4497868560, 5247513320, 6297015984, 7871269980, 10495026640, 15742539960, 31485079920]

約数ペア:

[(1, 31485079920), (2, 15742539960), (3, 10495026640), (4, 7871269980), (5, 6297015984), (6, 5247513320), (7, 4497868560), (8, 3935634990), (10, 3148507992), (12, 2623756660), (14, 2248934280), (15, 2099005328), (16, 1967817495), (20, 1574253996), (21, 1499289520), (24, 1311878330), (28, 1124467140), (30, 1049502664), (35, 899573712), (40, 787126998), (42, 749644760), (48, 655939165), (56, 562233570), (60, 524751332), (70, 449786856), (80, 393563499), (84, 374822380), (105, 299857904), (112, 281116785), (120, 262375666), (140, 224893428), (168, 187411190), (210, 149928952), (240, 131187833), (280, 112446714), (336, 93705595), (420, 74964476), (560, 56223357), (840, 37482238), (1680, 18741119)]