65927960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{977}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 170406720

約数和(自身を除く): 104478760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 241, 280, 482, 964, 977, 1205, 1687, 1928, 1954, 2410, 3374, 3908, 4820, 4885, 6748, 6839, 7816, 8435, 9640, 9770, 13496, 13678, 16870, 19540, 27356, 33740, 34195, 39080, 54712, 67480, 68390, 136780, 235457, 273560, 470914, 941828, 1177285, 1648199, 1883656, 2354570, 3296398, 4709140, 6592796, 8240995, 9418280, 13185592, 16481990, 32963980, 65927960]

約数ペア:

[(1, 65927960), (2, 32963980), (4, 16481990), (5, 13185592), (7, 9418280), (8, 8240995), (10, 6592796), (14, 4709140), (20, 3296398), (28, 2354570), (35, 1883656), (40, 1648199), (56, 1177285), (70, 941828), (140, 470914), (241, 273560), (280, 235457), (482, 136780), (964, 68390), (977, 67480), (1205, 54712), (1687, 39080), (1928, 34195), (1954, 33740), (2410, 27356), (3374, 19540), (3908, 16870), (4820, 13678), (4885, 13496), (6748, 9770), (6839, 9640), (7816, 8435)]