2911043840

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73363}}^1$

素因数の和:73415

約数の個数: 72

約数和(自身を含む): 7197888768

約数和(自身を除く): 4286844928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 73363, 146726, 293452, 366815, 586904, 733630, 1173808, 1467260, 2274253, 2347616, 2934520, 4548506, 4695232, 5869040, 9097012, 9390464, 11371265, 11738080, 18194024, 18780928, 22742530, 23476160, 36388048, 45485060, 46952320, 72776096, 90970120, 93904640, 145552192, 181940240, 291104384, 363880480, 582208768, 727760960, 1455521920, 2911043840]

約数ペア:

[(1, 2911043840), (2, 1455521920), (4, 727760960), (5, 582208768), (8, 363880480), (10, 291104384), (16, 181940240), (20, 145552192), (31, 93904640), (32, 90970120), (40, 72776096), (62, 46952320), (64, 45485060), (80, 36388048), (124, 23476160), (128, 22742530), (155, 18780928), (160, 18194024), (248, 11738080), (256, 11371265), (310, 9390464), (320, 9097012), (496, 5869040), (620, 4695232), (640, 4548506), (992, 2934520), (1240, 2347616), (1280, 2274253), (1984, 1467260), (2480, 1173808), (3968, 733630), (4960, 586904), (7936, 366815), (9920, 293452), (19840, 146726), (39680, 73363)]