161415990

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{349}}^1\times {\mathrm{571}}^1$

素因数の和:939

約数の個数: 80

約数和(自身を含む): 436035600

約数和(自身を除く): 274619610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 349, 405, 571, 698, 810, 1047, 1142, 1713, 1745, 2094, 2855, 3141, 3426, 3490, 5139, 5235, 5710, 6282, 8565, 9423, 10278, 10470, 15417, 15705, 17130, 18846, 25695, 28269, 30834, 31410, 46251, 47115, 51390, 56538, 77085, 92502, 94230, 141345, 154170, 199279, 231255, 282690, 398558, 462510, 597837, 996395, 1195674, 1793511, 1992790, 2989185, 3587022, 5380533, 5978370, 8967555, 10761066, 16141599, 17935110, 26902665, 32283198, 53805330, 80707995, 161415990]

約数ペア:

[(1, 161415990), (2, 80707995), (3, 53805330), (5, 32283198), (6, 26902665), (9, 17935110), (10, 16141599), (15, 10761066), (18, 8967555), (27, 5978370), (30, 5380533), (45, 3587022), (54, 2989185), (81, 1992790), (90, 1793511), (135, 1195674), (162, 996395), (270, 597837), (349, 462510), (405, 398558), (571, 282690), (698, 231255), (810, 199279), (1047, 154170), (1142, 141345), (1713, 94230), (1745, 92502), (2094, 77085), (2855, 56538), (3141, 51390), (3426, 47115), (3490, 46251), (5139, 31410), (5235, 30834), (5710, 28269), (6282, 25695), (8565, 18846), (9423, 17130), (10278, 15705), (10470, 15417)]