2578980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 7366464

約数和(自身を除く): 4787484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 811, 1060, 1590, 1622, 2433, 3180, 3244, 4055, 4866, 8110, 9732, 12165, 16220, 24330, 42983, 48660, 85966, 128949, 171932, 214915, 257898, 429830, 515796, 644745, 859660, 1289490, 2578980]

約数ペア:

[(1, 2578980), (2, 1289490), (3, 859660), (4, 644745), (5, 515796), (6, 429830), (10, 257898), (12, 214915), (15, 171932), (20, 128949), (30, 85966), (53, 48660), (60, 42983), (106, 24330), (159, 16220), (212, 12165), (265, 9732), (318, 8110), (530, 4866), (636, 4055), (795, 3244), (811, 3180), (1060, 2433), (1590, 1622)]