64816980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56857}}^1$

素因数の和:56888

約数の個数: 48

約数和(自身を含む): 191042880

約数和(自身を除く): 126225900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 56857, 113714, 170571, 227428, 284285, 341142, 568570, 682284, 852855, 1080283, 1137140, 1705710, 2160566, 3240849, 3411420, 4321132, 5401415, 6481698, 10802830, 12963396, 16204245, 21605660, 32408490, 64816980]

約数ペア:

[(1, 64816980), (2, 32408490), (3, 21605660), (4, 16204245), (5, 12963396), (6, 10802830), (10, 6481698), (12, 5401415), (15, 4321132), (19, 3411420), (20, 3240849), (30, 2160566), (38, 1705710), (57, 1137140), (60, 1080283), (76, 852855), (95, 682284), (114, 568570), (190, 341142), (228, 284285), (285, 227428), (380, 170571), (570, 113714), (1140, 56857)]