64740870

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:587

約数の個数: 80

約数和(自身を含む): 175320288

約数和(自身を除く): 110579418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 257, 270, 311, 405, 514, 622, 771, 810, 933, 1285, 1542, 1555, 1866, 2313, 2570, 2799, 3110, 3855, 4626, 4665, 5598, 6939, 7710, 8397, 9330, 11565, 13878, 13995, 16794, 20817, 23130, 25191, 27990, 34695, 41634, 41985, 50382, 69390, 79927, 83970, 104085, 125955, 159854, 208170, 239781, 251910, 399635, 479562, 719343, 799270, 1198905, 1438686, 2158029, 2397810, 3596715, 4316058, 6474087, 7193430, 10790145, 12948174, 21580290, 32370435, 64740870]

約数ペア:

[(1, 64740870), (2, 32370435), (3, 21580290), (5, 12948174), (6, 10790145), (9, 7193430), (10, 6474087), (15, 4316058), (18, 3596715), (27, 2397810), (30, 2158029), (45, 1438686), (54, 1198905), (81, 799270), (90, 719343), (135, 479562), (162, 399635), (257, 251910), (270, 239781), (311, 208170), (405, 159854), (514, 125955), (622, 104085), (771, 83970), (810, 79927), (933, 69390), (1285, 50382), (1542, 41985), (1555, 41634), (1866, 34695), (2313, 27990), (2570, 25191), (2799, 23130), (3110, 20817), (3855, 16794), (4626, 13995), (4665, 13878), (5598, 11565), (6939, 9330), (7710, 8397)]