30457660

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 66648960

約数和(自身を除く): 36191300

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 316, 370, 395, 521, 740, 790, 1042, 1580, 2084, 2605, 2923, 5210, 5846, 10420, 11692, 14615, 19277, 29230, 38554, 41159, 58460, 77108, 82318, 96385, 164636, 192770, 205795, 385540, 411590, 823180, 1522883, 3045766, 6091532, 7614415, 15228830, 30457660]

約数ペア:

[(1, 30457660), (2, 15228830), (4, 7614415), (5, 6091532), (10, 3045766), (20, 1522883), (37, 823180), (74, 411590), (79, 385540), (148, 205795), (158, 192770), (185, 164636), (316, 96385), (370, 82318), (395, 77108), (521, 58460), (740, 41159), (790, 38554), (1042, 29230), (1580, 19277), (2084, 14615), (2605, 11692), (2923, 10420), (5210, 5846)]