278380920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2319841}}^1$

素因数の和:2319855

約数の個数: 32

約数和(自身を含む): 835143120

約数和(自身を除く): 556762200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2319841, 4639682, 6959523, 9279364, 11599205, 13919046, 18558728, 23198410, 27838092, 34797615, 46396820, 55676184, 69595230, 92793640, 139190460, 278380920]

約数ペア:

[(1, 278380920), (2, 139190460), (3, 92793640), (4, 69595230), (5, 55676184), (6, 46396820), (8, 34797615), (10, 27838092), (12, 23198410), (15, 18558728), (20, 13919046), (24, 11599205), (30, 9279364), (40, 6959523), (60, 4639682), (120, 2319841)]