17881380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{821}}^1$

素因数の和:858

約数の個数: 108

約数和(自身を含む): 59691996

約数和(自身を除く): 41810616

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 821, 990, 1089, 1210, 1452, 1642, 1815, 1980, 2178, 2420, 2463, 3284, 3630, 4105, 4356, 4926, 5445, 7260, 7389, 8210, 9031, 9852, 10890, 12315, 14778, 16420, 18062, 21780, 24630, 27093, 29556, 36124, 36945, 45155, 49260, 54186, 73890, 81279, 90310, 99341, 108372, 135465, 147780, 162558, 180620, 198682, 270930, 298023, 325116, 397364, 406395, 496705, 541860, 596046, 812790, 894069, 993410, 1192092, 1490115, 1625580, 1788138, 1986820, 2980230, 3576276, 4470345, 5960460, 8940690, 17881380]

約数ペア:

[(1, 17881380), (2, 8940690), (3, 5960460), (4, 4470345), (5, 3576276), (6, 2980230), (9, 1986820), (10, 1788138), (11, 1625580), (12, 1490115), (15, 1192092), (18, 993410), (20, 894069), (22, 812790), (30, 596046), (33, 541860), (36, 496705), (44, 406395), (45, 397364), (55, 325116), (60, 298023), (66, 270930), (90, 198682), (99, 180620), (110, 162558), (121, 147780), (132, 135465), (165, 108372), (180, 99341), (198, 90310), (220, 81279), (242, 73890), (330, 54186), (363, 49260), (396, 45155), (484, 36945), (495, 36124), (605, 29556), (660, 27093), (726, 24630), (821, 21780), (990, 18062), (1089, 16420), (1210, 14778), (1452, 12315), (1642, 10890), (1815, 9852), (1980, 9031), (2178, 8210), (2420, 7389), (2463, 7260), (3284, 5445), (3630, 4926), (4105, 4356)]