81027330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 199584000

約数和(自身を除く): 118556670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 109, 142, 213, 218, 327, 349, 355, 426, 545, 654, 698, 710, 1047, 1065, 1090, 1635, 1745, 2094, 2130, 3270, 3490, 5235, 7739, 10470, 15478, 23217, 24779, 38041, 38695, 46434, 49558, 74337, 76082, 77390, 114123, 116085, 123895, 148674, 190205, 228246, 232170, 247790, 371685, 380410, 570615, 743370, 1141230, 2700911, 5401822, 8102733, 13504555, 16205466, 27009110, 40513665, 81027330]

約数ペア:

[(1, 81027330), (2, 40513665), (3, 27009110), (5, 16205466), (6, 13504555), (10, 8102733), (15, 5401822), (30, 2700911), (71, 1141230), (109, 743370), (142, 570615), (213, 380410), (218, 371685), (327, 247790), (349, 232170), (355, 228246), (426, 190205), (545, 148674), (654, 123895), (698, 116085), (710, 114123), (1047, 77390), (1065, 76082), (1090, 74337), (1635, 49558), (1745, 46434), (2094, 38695), (2130, 38041), (3270, 24779), (3490, 23217), (5235, 15478), (7739, 10470)]