12687390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2385

約数の個数: 48

約数和(自身を含む): 33542496

約数和(自身を除く): 20855106

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2311, 2745, 4622, 5490, 6933, 11555, 13866, 20799, 23110, 34665, 41598, 69330, 103995, 140971, 207990, 281942, 422913, 704855, 845826, 1268739, 1409710, 2114565, 2537478, 4229130, 6343695, 12687390]

約数ペア:

[(1, 12687390), (2, 6343695), (3, 4229130), (5, 2537478), (6, 2114565), (9, 1409710), (10, 1268739), (15, 845826), (18, 704855), (30, 422913), (45, 281942), (61, 207990), (90, 140971), (122, 103995), (183, 69330), (305, 41598), (366, 34665), (549, 23110), (610, 20799), (915, 13866), (1098, 11555), (1830, 6933), (2311, 5490), (2745, 4622)]