65705880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 207360000

約数和(自身を除く): 141654120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 79, 87, 116, 120, 145, 158, 174, 232, 237, 239, 290, 316, 348, 395, 435, 474, 478, 580, 632, 696, 717, 790, 870, 948, 956, 1160, 1185, 1195, 1434, 1580, 1740, 1896, 1912, 2291, 2370, 2390, 2868, 3160, 3480, 3585, 4582, 4740, 4780, 5736, 6873, 6931, 7170, 9164, 9480, 9560, 11455, 13746, 13862, 14340, 18328, 18881, 20793, 22910, 27492, 27724, 28680, 34365, 34655, 37762, 41586, 45820, 54984, 55448, 56643, 68730, 69310, 75524, 83172, 91640, 94405, 103965, 113286, 137460, 138620, 151048, 166344, 188810, 207930, 226572, 274920, 277240, 283215, 377620, 415860, 453144, 547549, 566430, 755240, 831720, 1095098, 1132860, 1642647, 2190196, 2265720, 2737745, 3285294, 4380392, 5475490, 6570588, 8213235, 10950980, 13141176, 16426470, 21901960, 32852940, 65705880]

約数ペア:

[(1, 65705880), (2, 32852940), (3, 21901960), (4, 16426470), (5, 13141176), (6, 10950980), (8, 8213235), (10, 6570588), (12, 5475490), (15, 4380392), (20, 3285294), (24, 2737745), (29, 2265720), (30, 2190196), (40, 1642647), (58, 1132860), (60, 1095098), (79, 831720), (87, 755240), (116, 566430), (120, 547549), (145, 453144), (158, 415860), (174, 377620), (232, 283215), (237, 277240), (239, 274920), (290, 226572), (316, 207930), (348, 188810), (395, 166344), (435, 151048), (474, 138620), (478, 137460), (580, 113286), (632, 103965), (696, 94405), (717, 91640), (790, 83172), (870, 75524), (948, 69310), (956, 68730), (1160, 56643), (1185, 55448), (1195, 54984), (1434, 45820), (1580, 41586), (1740, 37762), (1896, 34655), (1912, 34365), (2291, 28680), (2370, 27724), (2390, 27492), (2868, 22910), (3160, 20793), (3480, 18881), (3585, 18328), (4582, 14340), (4740, 13862), (4780, 13746), (5736, 11455), (6873, 9560), (6931, 9480), (7170, 9164)]