221174520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{263303}}^1$

素因数の和:263324

約数の個数: 64

約数和(自身を含む): 758315520

約数和(自身を除く): 537141000

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, 263303, 526606, 789909, 1053212, 1316515, 1579818, 1843121, 2106424, 2633030, 3159636, 3686242, 3949545, 5266060, 5529363, 6319272, 7372484, 7899090, 9215605, 10532120, 11058726, 14744968, 15798180, 18431210, 22117452, 27646815, 31596360, 36862420, 44234904, 55293630, 73724840, 110587260, 221174520]

約数ペア:

[(1, 221174520), (2, 110587260), (3, 73724840), (4, 55293630), (5, 44234904), (6, 36862420), (7, 31596360), (8, 27646815), (10, 22117452), (12, 18431210), (14, 15798180), (15, 14744968), (20, 11058726), (21, 10532120), (24, 9215605), (28, 7899090), (30, 7372484), (35, 6319272), (40, 5529363), (42, 5266060), (56, 3949545), (60, 3686242), (70, 3159636), (84, 2633030), (105, 2106424), (120, 1843121), (140, 1579818), (168, 1316515), (210, 1053212), (280, 789909), (420, 526606), (840, 263303)]