61277660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 140295120

約数和(自身を除く): 79017460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 73, 76, 94, 95, 146, 188, 190, 235, 292, 365, 380, 470, 730, 893, 940, 1387, 1460, 1786, 2209, 2774, 3431, 3572, 4418, 4465, 5548, 6862, 6935, 8836, 8930, 11045, 13724, 13870, 17155, 17860, 22090, 27740, 34310, 41971, 44180, 65189, 68620, 83942, 130378, 161257, 167884, 209855, 260756, 322514, 325945, 419710, 645028, 651890, 806285, 839420, 1303780, 1612570, 3063883, 3225140, 6127766, 12255532, 15319415, 30638830, 61277660]

約数ペア:

[(1, 61277660), (2, 30638830), (4, 15319415), (5, 12255532), (10, 6127766), (19, 3225140), (20, 3063883), (38, 1612570), (47, 1303780), (73, 839420), (76, 806285), (94, 651890), (95, 645028), (146, 419710), (188, 325945), (190, 322514), (235, 260756), (292, 209855), (365, 167884), (380, 161257), (470, 130378), (730, 83942), (893, 68620), (940, 65189), (1387, 44180), (1460, 41971), (1786, 34310), (2209, 27740), (2774, 22090), (3431, 17860), (3572, 17155), (4418, 13870), (4465, 13724), (5548, 11045), (6862, 8930), (6935, 8836)]