64640772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1289}}^1$

素因数の和:1505

約数の個数: 72

約数和(自身を含む): 187824000

約数和(自身を除く): 123183228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 199, 252, 398, 597, 796, 1194, 1289, 1393, 1791, 2388, 2578, 2786, 3582, 3867, 4179, 5156, 5572, 7164, 7734, 8358, 9023, 11601, 12537, 15468, 16716, 18046, 23202, 25074, 27069, 36092, 46404, 50148, 54138, 81207, 108276, 162414, 256511, 324828, 513022, 769533, 1026044, 1539066, 1795577, 2308599, 3078132, 3591154, 4617198, 5386731, 7182308, 9234396, 10773462, 16160193, 21546924, 32320386, 64640772]

約数ペア:

[(1, 64640772), (2, 32320386), (3, 21546924), (4, 16160193), (6, 10773462), (7, 9234396), (9, 7182308), (12, 5386731), (14, 4617198), (18, 3591154), (21, 3078132), (28, 2308599), (36, 1795577), (42, 1539066), (63, 1026044), (84, 769533), (126, 513022), (199, 324828), (252, 256511), (398, 162414), (597, 108276), (796, 81207), (1194, 54138), (1289, 50148), (1393, 46404), (1791, 36092), (2388, 27069), (2578, 25074), (2786, 23202), (3582, 18046), (3867, 16716), (4179, 15468), (5156, 12537), (5572, 11601), (7164, 9023), (7734, 8358)]