77109720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{642581}}^1$

素因数の和:642595

約数の個数: 32

約数和(自身を含む): 231329520

約数和(自身を除く): 154219800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 642581, 1285162, 1927743, 2570324, 3212905, 3855486, 5140648, 6425810, 7710972, 9638715, 12851620, 15421944, 19277430, 25703240, 38554860, 77109720]

約数ペア:

[(1, 77109720), (2, 38554860), (3, 25703240), (4, 19277430), (5, 15421944), (6, 12851620), (8, 9638715), (10, 7710972), (12, 6425810), (15, 5140648), (20, 3855486), (24, 3212905), (30, 2570324), (40, 1927743), (60, 1285162), (120, 642581)]