31734640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{929}}^1$

素因数の和:1010

約数の個数: 80

約数和(自身を含む): 85798080

約数和(自身を除く): 54063440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 929, 976, 1220, 1708, 1858, 2135, 2440, 3416, 3716, 4270, 4645, 4880, 6503, 6832, 7432, 8540, 9290, 13006, 14864, 17080, 18580, 26012, 32515, 34160, 37160, 52024, 56669, 65030, 74320, 104048, 113338, 130060, 226676, 260120, 283345, 396683, 453352, 520240, 566690, 793366, 906704, 1133380, 1586732, 1983415, 2266760, 3173464, 3966830, 4533520, 6346928, 7933660, 15867320, 31734640]

約数ペア:

[(1, 31734640), (2, 15867320), (4, 7933660), (5, 6346928), (7, 4533520), (8, 3966830), (10, 3173464), (14, 2266760), (16, 1983415), (20, 1586732), (28, 1133380), (35, 906704), (40, 793366), (56, 566690), (61, 520240), (70, 453352), (80, 396683), (112, 283345), (122, 260120), (140, 226676), (244, 130060), (280, 113338), (305, 104048), (427, 74320), (488, 65030), (560, 56669), (610, 52024), (854, 37160), (929, 34160), (976, 32515), (1220, 26012), (1708, 18580), (1858, 17080), (2135, 14864), (2440, 13006), (3416, 9290), (3716, 8540), (4270, 7432), (4645, 6832), (4880, 6503)]