64634940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{857}}^1$

素因数の和:1291

約数の個数: 72

約数和(自身を含む): 196756560

約数和(自身を除く): 132121620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 419, 838, 857, 1257, 1676, 1714, 2095, 2514, 2571, 3428, 3771, 4190, 4285, 5028, 5142, 6285, 7542, 7713, 8380, 8570, 10284, 12570, 12855, 15084, 15426, 17140, 18855, 25140, 25710, 30852, 37710, 38565, 51420, 75420, 77130, 154260, 359083, 718166, 1077249, 1436332, 1795415, 2154498, 3231747, 3590830, 4308996, 5386245, 6463494, 7181660, 10772490, 12926988, 16158735, 21544980, 32317470, 64634940]

約数ペア:

[(1, 64634940), (2, 32317470), (3, 21544980), (4, 16158735), (5, 12926988), (6, 10772490), (9, 7181660), (10, 6463494), (12, 5386245), (15, 4308996), (18, 3590830), (20, 3231747), (30, 2154498), (36, 1795415), (45, 1436332), (60, 1077249), (90, 718166), (180, 359083), (419, 154260), (838, 77130), (857, 75420), (1257, 51420), (1676, 38565), (1714, 37710), (2095, 30852), (2514, 25710), (2571, 25140), (3428, 18855), (3771, 17140), (4190, 15426), (4285, 15084), (5028, 12855), (5142, 12570), (6285, 10284), (7542, 8570), (7713, 8380)]