64787970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{613}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 168344064

約数和(自身を除く): 103556094

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 271, 390, 542, 613, 813, 1226, 1355, 1626, 1839, 2710, 3065, 3523, 3678, 4065, 6130, 7046, 7969, 8130, 9195, 10569, 15938, 17615, 18390, 21138, 23907, 35230, 39845, 47814, 52845, 79690, 105690, 119535, 166123, 239070, 332246, 498369, 830615, 996738, 1661230, 2159599, 2491845, 4319198, 4983690, 6478797, 10797995, 12957594, 21595990, 32393985, 64787970]

約数ペア:

[(1, 64787970), (2, 32393985), (3, 21595990), (5, 12957594), (6, 10797995), (10, 6478797), (13, 4983690), (15, 4319198), (26, 2491845), (30, 2159599), (39, 1661230), (65, 996738), (78, 830615), (130, 498369), (195, 332246), (271, 239070), (390, 166123), (542, 119535), (613, 105690), (813, 79690), (1226, 52845), (1355, 47814), (1626, 39845), (1839, 35230), (2710, 23907), (3065, 21138), (3523, 18390), (3678, 17615), (4065, 15938), (6130, 10569), (7046, 9195), (7969, 8130)]