78598980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1237}}^1$

素因数の和:1605

約数の個数: 72

約数和(自身を含む): 239285592

約数和(自身を除く): 160686612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 706, 1059, 1237, 1412, 1765, 2118, 2474, 3177, 3530, 3711, 4236, 4948, 5295, 6185, 6354, 7060, 7422, 10590, 11133, 12370, 12708, 14844, 15885, 18555, 21180, 22266, 24740, 31770, 37110, 44532, 55665, 63540, 74220, 111330, 222660, 436661, 873322, 1309983, 1746644, 2183305, 2619966, 3929949, 4366610, 5239932, 6549915, 7859898, 8733220, 13099830, 15719796, 19649745, 26199660, 39299490, 78598980]

約数ペア:

[(1, 78598980), (2, 39299490), (3, 26199660), (4, 19649745), (5, 15719796), (6, 13099830), (9, 8733220), (10, 7859898), (12, 6549915), (15, 5239932), (18, 4366610), (20, 3929949), (30, 2619966), (36, 2183305), (45, 1746644), (60, 1309983), (90, 873322), (180, 436661), (353, 222660), (706, 111330), (1059, 74220), (1237, 63540), (1412, 55665), (1765, 44532), (2118, 37110), (2474, 31770), (3177, 24740), (3530, 22266), (3711, 21180), (4236, 18555), (4948, 15885), (5295, 14844), (6185, 12708), (6354, 12370), (7060, 11133), (7422, 10590)]