15128260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 37920960

約数和(自身を除く): 22792700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 359, 430, 490, 602, 718, 860, 980, 1204, 1436, 1505, 1795, 2107, 2513, 3010, 3590, 4214, 5026, 6020, 7180, 8428, 10052, 10535, 12565, 15437, 17591, 21070, 25130, 30874, 35182, 42140, 50260, 61748, 70364, 77185, 87955, 108059, 154370, 175910, 216118, 308740, 351820, 432236, 540295, 756413, 1080590, 1512826, 2161180, 3025652, 3782065, 7564130, 15128260]

約数ペア:

[(1, 15128260), (2, 7564130), (4, 3782065), (5, 3025652), (7, 2161180), (10, 1512826), (14, 1080590), (20, 756413), (28, 540295), (35, 432236), (43, 351820), (49, 308740), (70, 216118), (86, 175910), (98, 154370), (140, 108059), (172, 87955), (196, 77185), (215, 70364), (245, 61748), (301, 50260), (359, 42140), (430, 35182), (490, 30874), (602, 25130), (718, 21070), (860, 17591), (980, 15437), (1204, 12565), (1436, 10535), (1505, 10052), (1795, 8428), (2107, 7180), (2513, 6020), (3010, 5026), (3590, 4214)]