890760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 2882880

約数和(自身を除く): 1992120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 571, 780, 1142, 1560, 1713, 2284, 2855, 3426, 4568, 5710, 6852, 7423, 8565, 11420, 13704, 14846, 17130, 22269, 22840, 29692, 34260, 37115, 44538, 59384, 68520, 74230, 89076, 111345, 148460, 178152, 222690, 296920, 445380, 890760]

約数ペア:

[(1, 890760), (2, 445380), (3, 296920), (4, 222690), (5, 178152), (6, 148460), (8, 111345), (10, 89076), (12, 74230), (13, 68520), (15, 59384), (20, 44538), (24, 37115), (26, 34260), (30, 29692), (39, 22840), (40, 22269), (52, 17130), (60, 14846), (65, 13704), (78, 11420), (104, 8565), (120, 7423), (130, 6852), (156, 5710), (195, 4568), (260, 3426), (312, 2855), (390, 2284), (520, 1713), (571, 1560), (780, 1142)]