68110720

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3433}}^1$

素因数の和:3483

約数の個数: 64

約数和(自身を含む): 168128640

約数和(自身を除く): 100017920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3433, 3968, 4960, 6866, 9920, 13732, 17165, 19840, 27464, 34330, 54928, 68660, 106423, 109856, 137320, 212846, 219712, 274640, 425692, 439424, 532115, 549280, 851384, 1064230, 1098560, 1702768, 2128460, 2197120, 3405536, 4256920, 6811072, 8513840, 13622144, 17027680, 34055360, 68110720]

約数ペア:

[(1, 68110720), (2, 34055360), (4, 17027680), (5, 13622144), (8, 8513840), (10, 6811072), (16, 4256920), (20, 3405536), (31, 2197120), (32, 2128460), (40, 1702768), (62, 1098560), (64, 1064230), (80, 851384), (124, 549280), (128, 532115), (155, 439424), (160, 425692), (248, 274640), (310, 219712), (320, 212846), (496, 137320), (620, 109856), (640, 106423), (992, 68660), (1240, 54928), (1984, 34330), (2480, 27464), (3433, 19840), (3968, 17165), (4960, 13732), (6866, 9920)]