169056640

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8521}}^1$

素因数の和:8571

約数の個数: 64

約数和(自身を含む): 417237120

約数和(自身を除く): 248180480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 8521, 9920, 17042, 19840, 34084, 42605, 68168, 85210, 136336, 170420, 264151, 272672, 340840, 528302, 545344, 681680, 1056604, 1090688, 1320755, 1363360, 2113208, 2641510, 2726720, 4226416, 5283020, 5453440, 8452832, 10566040, 16905664, 21132080, 33811328, 42264160, 84528320, 169056640]

約数ペア:

[(1, 169056640), (2, 84528320), (4, 42264160), (5, 33811328), (8, 21132080), (10, 16905664), (16, 10566040), (20, 8452832), (31, 5453440), (32, 5283020), (40, 4226416), (62, 2726720), (64, 2641510), (80, 2113208), (124, 1363360), (128, 1320755), (155, 1090688), (160, 1056604), (248, 681680), (310, 545344), (320, 528302), (496, 340840), (620, 272672), (640, 264151), (992, 170420), (1240, 136336), (1984, 85210), (2480, 68168), (3968, 42605), (4960, 34084), (8521, 19840), (9920, 17042)]