64723860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{39953}}^1$

素因数の和:39974

約数の個数: 60

約数和(自身を含む): 203046228

約数和(自身を除く): 138322368

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 39953, 79906, 119859, 159812, 199765, 239718, 359577, 399530, 479436, 599295, 719154, 799060, 1078731, 1198590, 1438308, 1797885, 2157462, 2397180, 3236193, 3595770, 4314924, 5393655, 6472386, 7191540, 10787310, 12944772, 16180965, 21574620, 32361930, 64723860]

約数ペア:

[(1, 64723860), (2, 32361930), (3, 21574620), (4, 16180965), (5, 12944772), (6, 10787310), (9, 7191540), (10, 6472386), (12, 5393655), (15, 4314924), (18, 3595770), (20, 3236193), (27, 2397180), (30, 2157462), (36, 1797885), (45, 1438308), (54, 1198590), (60, 1078731), (81, 799060), (90, 719154), (108, 599295), (135, 479436), (162, 399530), (180, 359577), (270, 239718), (324, 199765), (405, 159812), (540, 119859), (810, 79906), (1620, 39953)]