30861780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2693}}^1$

素因数の和:2896

約数の個数: 48

約数和(自身を含む): 86897664

約数和(自身を除く): 56035884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1910, 2292, 2693, 2865, 3820, 5386, 5730, 8079, 10772, 11460, 13465, 16158, 26930, 32316, 40395, 53860, 80790, 161580, 514363, 1028726, 1543089, 2057452, 2571815, 3086178, 5143630, 6172356, 7715445, 10287260, 15430890, 30861780]

約数ペア:

[(1, 30861780), (2, 15430890), (3, 10287260), (4, 7715445), (5, 6172356), (6, 5143630), (10, 3086178), (12, 2571815), (15, 2057452), (20, 1543089), (30, 1028726), (60, 514363), (191, 161580), (382, 80790), (573, 53860), (764, 40395), (955, 32316), (1146, 26930), (1910, 16158), (2292, 13465), (2693, 11460), (2865, 10772), (3820, 8079), (5386, 5730)]