15225770

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 33523200

約数和(自身を除く): 18297430

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 193, 230, 245, 322, 343, 386, 490, 686, 805, 965, 1127, 1351, 1610, 1715, 1930, 2254, 2702, 3430, 4439, 5635, 6755, 7889, 8878, 9457, 11270, 13510, 15778, 18914, 22195, 31073, 39445, 44390, 47285, 62146, 66199, 78890, 94570, 132398, 155365, 217511, 310730, 330995, 435022, 661990, 1087555, 1522577, 2175110, 3045154, 7612885, 15225770]

約数ペア:

[(1, 15225770), (2, 7612885), (5, 3045154), (7, 2175110), (10, 1522577), (14, 1087555), (23, 661990), (35, 435022), (46, 330995), (49, 310730), (70, 217511), (98, 155365), (115, 132398), (161, 94570), (193, 78890), (230, 66199), (245, 62146), (322, 47285), (343, 44390), (386, 39445), (490, 31073), (686, 22195), (805, 18914), (965, 15778), (1127, 13510), (1351, 11270), (1610, 9457), (1715, 8878), (1930, 7889), (2254, 6755), (2702, 5635), (3430, 4439)]