3279080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{239}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 8640000

約数和(自身を除く): 5360920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 239, 245, 280, 343, 392, 478, 490, 686, 956, 980, 1195, 1372, 1673, 1715, 1912, 1960, 2390, 2744, 3346, 3430, 4780, 6692, 6860, 8365, 9560, 11711, 13384, 13720, 16730, 23422, 33460, 46844, 58555, 66920, 81977, 93688, 117110, 163954, 234220, 327908, 409885, 468440, 655816, 819770, 1639540, 3279080]

約数ペア:

[(1, 3279080), (2, 1639540), (4, 819770), (5, 655816), (7, 468440), (8, 409885), (10, 327908), (14, 234220), (20, 163954), (28, 117110), (35, 93688), (40, 81977), (49, 66920), (56, 58555), (70, 46844), (98, 33460), (140, 23422), (196, 16730), (239, 13720), (245, 13384), (280, 11711), (343, 9560), (392, 8365), (478, 6860), (490, 6692), (686, 4780), (956, 3430), (980, 3346), (1195, 2744), (1372, 2390), (1673, 1960), (1715, 1912)]