68993340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 209563200

約数和(自身を除く): 140569860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 197, 260, 390, 394, 449, 591, 780, 788, 898, 985, 1182, 1347, 1796, 1970, 2245, 2364, 2561, 2694, 2955, 3940, 4490, 5122, 5388, 5837, 5910, 6735, 7683, 8980, 10244, 11674, 11820, 12805, 13470, 15366, 17511, 23348, 25610, 26940, 29185, 30732, 35022, 38415, 51220, 58370, 70044, 76830, 87555, 88453, 116740, 153660, 175110, 176906, 265359, 350220, 353812, 442265, 530718, 884530, 1061436, 1149889, 1326795, 1769060, 2299778, 2653590, 3449667, 4599556, 5307180, 5749445, 6899334, 11498890, 13798668, 17248335, 22997780, 34496670, 68993340]

約数ペア:

[(1, 68993340), (2, 34496670), (3, 22997780), (4, 17248335), (5, 13798668), (6, 11498890), (10, 6899334), (12, 5749445), (13, 5307180), (15, 4599556), (20, 3449667), (26, 2653590), (30, 2299778), (39, 1769060), (52, 1326795), (60, 1149889), (65, 1061436), (78, 884530), (130, 530718), (156, 442265), (195, 353812), (197, 350220), (260, 265359), (390, 176906), (394, 175110), (449, 153660), (591, 116740), (780, 88453), (788, 87555), (898, 76830), (985, 70044), (1182, 58370), (1347, 51220), (1796, 38415), (1970, 35022), (2245, 30732), (2364, 29185), (2561, 26940), (2694, 25610), (2955, 23348), (3940, 17511), (4490, 15366), (5122, 13470), (5388, 12805), (5837, 11820), (5910, 11674), (6735, 10244), (7683, 8980)]