87015780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2531}}^1$

素因数の和:2737

約数の個数: 72

約数和(自身を含む): 265434624

約数和(自身を除く): 178418844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1719, 1910, 2292, 2531, 2865, 3438, 3820, 5062, 5730, 6876, 7593, 8595, 10124, 11460, 12655, 15186, 17190, 22779, 25310, 30372, 34380, 37965, 45558, 50620, 75930, 91116, 113895, 151860, 227790, 455580, 483421, 966842, 1450263, 1933684, 2417105, 2900526, 4350789, 4834210, 5801052, 7251315, 8701578, 9668420, 14502630, 17403156, 21753945, 29005260, 43507890, 87015780]

約数ペア:

[(1, 87015780), (2, 43507890), (3, 29005260), (4, 21753945), (5, 17403156), (6, 14502630), (9, 9668420), (10, 8701578), (12, 7251315), (15, 5801052), (18, 4834210), (20, 4350789), (30, 2900526), (36, 2417105), (45, 1933684), (60, 1450263), (90, 966842), (180, 483421), (191, 455580), (382, 227790), (573, 151860), (764, 113895), (955, 91116), (1146, 75930), (1719, 50620), (1910, 45558), (2292, 37965), (2531, 34380), (2865, 30372), (3438, 25310), (3820, 22779), (5062, 17190), (5730, 15186), (6876, 12655), (7593, 11460), (8595, 10124)]