851311320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{8641}}^1$

素因数の和:9476

約数の個数: 64

約数和(自身を含む): 2557340640

約数和(自身を除く): 1706029320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 821, 1642, 2463, 3284, 4105, 4926, 6568, 8210, 8641, 9852, 12315, 16420, 17282, 19704, 24630, 25923, 32840, 34564, 43205, 49260, 51846, 69128, 86410, 98520, 103692, 129615, 172820, 207384, 259230, 345640, 518460, 1036920, 7094261, 14188522, 21282783, 28377044, 35471305, 42565566, 56754088, 70942610, 85131132, 106413915, 141885220, 170262264, 212827830, 283770440, 425655660, 851311320]

約数ペア:

[(1, 851311320), (2, 425655660), (3, 283770440), (4, 212827830), (5, 170262264), (6, 141885220), (8, 106413915), (10, 85131132), (12, 70942610), (15, 56754088), (20, 42565566), (24, 35471305), (30, 28377044), (40, 21282783), (60, 14188522), (120, 7094261), (821, 1036920), (1642, 518460), (2463, 345640), (3284, 259230), (4105, 207384), (4926, 172820), (6568, 129615), (8210, 103692), (8641, 98520), (9852, 86410), (12315, 69128), (16420, 51846), (17282, 49260), (19704, 43205), (24630, 34564), (25923, 32840)]