81553320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11923}}^1$

素因数の和:11959

約数の個数: 96

約数和(自身を含む): 279021600

約数和(自身を除く): 197468280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 11923, 23846, 35769, 47692, 59615, 71538, 95384, 107307, 119230, 143076, 178845, 214614, 226537, 238460, 286152, 357690, 429228, 453074, 476920, 536535, 679611, 715380, 858456, 906148, 1073070, 1132685, 1359222, 1430760, 1812296, 2038833, 2146140, 2265370, 2718444, 3398055, 4077666, 4292280, 4530740, 5436888, 6796110, 8155332, 9061480, 10194165, 13592220, 16310664, 20388330, 27184440, 40776660, 81553320]

約数ペア:

[(1, 81553320), (2, 40776660), (3, 27184440), (4, 20388330), (5, 16310664), (6, 13592220), (8, 10194165), (9, 9061480), (10, 8155332), (12, 6796110), (15, 5436888), (18, 4530740), (19, 4292280), (20, 4077666), (24, 3398055), (30, 2718444), (36, 2265370), (38, 2146140), (40, 2038833), (45, 1812296), (57, 1430760), (60, 1359222), (72, 1132685), (76, 1073070), (90, 906148), (95, 858456), (114, 715380), (120, 679611), (152, 536535), (171, 476920), (180, 453074), (190, 429228), (228, 357690), (285, 286152), (342, 238460), (360, 226537), (380, 214614), (456, 178845), (570, 143076), (684, 119230), (760, 107307), (855, 95384), (1140, 71538), (1368, 59615), (1710, 47692), (2280, 35769), (3420, 23846), (6840, 11923)]