68364840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{13249}}^1$

素因数の和:13306

約数の個数: 64

約数和(自身を含む): 209880000

約数和(自身を除く): 141515160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 13249, 26498, 39747, 52996, 66245, 79494, 105992, 132490, 158988, 198735, 264980, 317976, 397470, 529960, 569707, 794940, 1139414, 1589880, 1709121, 2278828, 2848535, 3418242, 4557656, 5697070, 6836484, 8545605, 11394140, 13672968, 17091210, 22788280, 34182420, 68364840]

約数ペア:

[(1, 68364840), (2, 34182420), (3, 22788280), (4, 17091210), (5, 13672968), (6, 11394140), (8, 8545605), (10, 6836484), (12, 5697070), (15, 4557656), (20, 3418242), (24, 2848535), (30, 2278828), (40, 1709121), (43, 1589880), (60, 1139414), (86, 794940), (120, 569707), (129, 529960), (172, 397470), (215, 317976), (258, 264980), (344, 198735), (430, 158988), (516, 132490), (645, 105992), (860, 79494), (1032, 66245), (1290, 52996), (1720, 39747), (2580, 26498), (5160, 13249)]