315080780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7477}}^1$

素因数の和:7543

約数の個数: 72

約数和(自身を含む): 787702608

約数和(自身を除く): 472621828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 7477, 8428, 10535, 14954, 21070, 29908, 37385, 42140, 52339, 74770, 104678, 149540, 209356, 261695, 321511, 366373, 523390, 643022, 732746, 1046780, 1286044, 1465492, 1607555, 1831865, 2250577, 3215110, 3663730, 4501154, 6430220, 7327460, 9002308, 11252885, 15754039, 22505770, 31508078, 45011540, 63016156, 78770195, 157540390, 315080780]

約数ペア:

[(1, 315080780), (2, 157540390), (4, 78770195), (5, 63016156), (7, 45011540), (10, 31508078), (14, 22505770), (20, 15754039), (28, 11252885), (35, 9002308), (43, 7327460), (49, 6430220), (70, 4501154), (86, 3663730), (98, 3215110), (140, 2250577), (172, 1831865), (196, 1607555), (215, 1465492), (245, 1286044), (301, 1046780), (430, 732746), (490, 643022), (602, 523390), (860, 366373), (980, 321511), (1204, 261695), (1505, 209356), (2107, 149540), (3010, 104678), (4214, 74770), (6020, 52339), (7477, 42140), (8428, 37385), (10535, 29908), (14954, 21070)]