12270260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 15308620

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 239, 302, 340, 478, 604, 755, 956, 1195, 1510, 2390, 2567, 3020, 4063, 4780, 5134, 8126, 10268, 12835, 16252, 20315, 25670, 36089, 40630, 51340, 72178, 81260, 144356, 180445, 360890, 613513, 721780, 1227026, 2454052, 3067565, 6135130, 12270260]

約数ペア:

[(1, 12270260), (2, 6135130), (4, 3067565), (5, 2454052), (10, 1227026), (17, 721780), (20, 613513), (34, 360890), (68, 180445), (85, 144356), (151, 81260), (170, 72178), (239, 51340), (302, 40630), (340, 36089), (478, 25670), (604, 20315), (755, 16252), (956, 12835), (1195, 10268), (1510, 8126), (2390, 5134), (2567, 4780), (3020, 4063)]