220408440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{262391}}^1$

素因数の和:262412

約数の個数: 64

約数和(自身を含む): 755688960

約数和(自身を除く): 535280520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 262391, 524782, 787173, 1049564, 1311955, 1574346, 1836737, 2099128, 2623910, 3148692, 3673474, 3935865, 5247820, 5510211, 6297384, 7346948, 7871730, 9183685, 10495640, 11020422, 14693896, 15743460, 18367370, 22040844, 27551055, 31486920, 36734740, 44081688, 55102110, 73469480, 110204220, 220408440]

約数ペア:

[(1, 220408440), (2, 110204220), (3, 73469480), (4, 55102110), (5, 44081688), (6, 36734740), (7, 31486920), (8, 27551055), (10, 22040844), (12, 18367370), (14, 15743460), (15, 14693896), (20, 11020422), (21, 10495640), (24, 9183685), (28, 7871730), (30, 7346948), (35, 6297384), (40, 5510211), (42, 5247820), (56, 3935865), (60, 3673474), (70, 3148692), (84, 2623910), (105, 2099128), (120, 1836737), (140, 1574346), (168, 1311955), (210, 1049564), (280, 787173), (420, 524782), (840, 262391)]