30840460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 78059520

約数和(自身を除く): 47219060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 47, 70, 86, 94, 109, 140, 172, 188, 215, 218, 235, 301, 329, 430, 436, 470, 545, 602, 658, 763, 860, 940, 1090, 1204, 1316, 1505, 1526, 1645, 2021, 2180, 3010, 3052, 3290, 3815, 4042, 4687, 5123, 6020, 6580, 7630, 8084, 9374, 10105, 10246, 14147, 15260, 18748, 20210, 20492, 23435, 25615, 28294, 32809, 35861, 40420, 46870, 51230, 56588, 65618, 70735, 71722, 93740, 102460, 131236, 141470, 143444, 164045, 179305, 220289, 282940, 328090, 358610, 440578, 656180, 717220, 881156, 1101445, 1542023, 2202890, 3084046, 4405780, 6168092, 7710115, 15420230, 30840460]

約数ペア:

[(1, 30840460), (2, 15420230), (4, 7710115), (5, 6168092), (7, 4405780), (10, 3084046), (14, 2202890), (20, 1542023), (28, 1101445), (35, 881156), (43, 717220), (47, 656180), (70, 440578), (86, 358610), (94, 328090), (109, 282940), (140, 220289), (172, 179305), (188, 164045), (215, 143444), (218, 141470), (235, 131236), (301, 102460), (329, 93740), (430, 71722), (436, 70735), (470, 65618), (545, 56588), (602, 51230), (658, 46870), (763, 40420), (860, 35861), (940, 32809), (1090, 28294), (1204, 25615), (1316, 23435), (1505, 20492), (1526, 20210), (1645, 18748), (2021, 15260), (2180, 14147), (3010, 10246), (3052, 10105), (3290, 9374), (3815, 8084), (4042, 7630), (4687, 6580), (5123, 6020)]