210721620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{15749}}^1$

素因数の和:15984

約数の個数: 48

約数和(自身を含む): 592704000

約数和(自身を除く): 381982380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 2230, 2676, 3345, 4460, 6690, 13380, 15749, 31498, 47247, 62996, 78745, 94494, 157490, 188988, 236235, 314980, 472470, 944940, 3512027, 7024054, 10536081, 14048108, 17560135, 21072162, 35120270, 42144324, 52680405, 70240540, 105360810, 210721620]

約数ペア:

[(1, 210721620), (2, 105360810), (3, 70240540), (4, 52680405), (5, 42144324), (6, 35120270), (10, 21072162), (12, 17560135), (15, 14048108), (20, 10536081), (30, 7024054), (60, 3512027), (223, 944940), (446, 472470), (669, 314980), (892, 236235), (1115, 188988), (1338, 157490), (2230, 94494), (2676, 78745), (3345, 62996), (4460, 47247), (6690, 31498), (13380, 15749)]