66327560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 161708400

約数和(自身を除く): 95380840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 229, 260, 458, 520, 557, 916, 1114, 1145, 1832, 2228, 2290, 2785, 2977, 4456, 4580, 5570, 5954, 7241, 9160, 11140, 11908, 14482, 14885, 22280, 23816, 28964, 29770, 36205, 57928, 59540, 72410, 119080, 127553, 144820, 255106, 289640, 510212, 637765, 1020424, 1275530, 1658189, 2551060, 3316378, 5102120, 6632756, 8290945, 13265512, 16581890, 33163780, 66327560]

約数ペア:

[(1, 66327560), (2, 33163780), (4, 16581890), (5, 13265512), (8, 8290945), (10, 6632756), (13, 5102120), (20, 3316378), (26, 2551060), (40, 1658189), (52, 1275530), (65, 1020424), (104, 637765), (130, 510212), (229, 289640), (260, 255106), (458, 144820), (520, 127553), (557, 119080), (916, 72410), (1114, 59540), (1145, 57928), (1832, 36205), (2228, 29770), (2290, 28964), (2785, 23816), (2977, 22280), (4456, 14885), (4580, 14482), (5570, 11908), (5954, 11140), (7241, 9160)]