56716020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{647}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 172658304

約数和(自身を除く): 115942284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 647, 974, 1294, 1461, 1941, 1948, 2435, 2588, 2922, 3235, 3882, 4383, 4870, 5823, 5844, 6470, 7305, 7764, 8766, 9705, 9740, 11646, 12940, 14610, 17532, 19410, 21915, 23292, 29115, 29220, 38820, 43830, 58230, 87660, 116460, 315089, 630178, 945267, 1260356, 1575445, 1890534, 2835801, 3150890, 3781068, 4726335, 5671602, 6301780, 9452670, 11343204, 14179005, 18905340, 28358010, 56716020]

約数ペア:

[(1, 56716020), (2, 28358010), (3, 18905340), (4, 14179005), (5, 11343204), (6, 9452670), (9, 6301780), (10, 5671602), (12, 4726335), (15, 3781068), (18, 3150890), (20, 2835801), (30, 1890534), (36, 1575445), (45, 1260356), (60, 945267), (90, 630178), (180, 315089), (487, 116460), (647, 87660), (974, 58230), (1294, 43830), (1461, 38820), (1941, 29220), (1948, 29115), (2435, 23292), (2588, 21915), (2922, 19410), (3235, 17532), (3882, 14610), (4383, 12940), (4870, 11646), (5823, 9740), (5844, 9705), (6470, 8766), (7305, 7764)]