318961480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{15131}}^1$

素因数の和:15190

約数の個数: 64

約数和(自身を含む): 784442880

約数和(自身を除く): 465481400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 15131, 21080, 30262, 60524, 75655, 121048, 151310, 257227, 302620, 469061, 514454, 605240, 938122, 1028908, 1286135, 1876244, 2057816, 2345305, 2572270, 3752488, 4690610, 5144540, 7974037, 9381220, 10289080, 15948074, 18762440, 31896148, 39870185, 63792296, 79740370, 159480740, 318961480]

約数ペア:

[(1, 318961480), (2, 159480740), (4, 79740370), (5, 63792296), (8, 39870185), (10, 31896148), (17, 18762440), (20, 15948074), (31, 10289080), (34, 9381220), (40, 7974037), (62, 5144540), (68, 4690610), (85, 3752488), (124, 2572270), (136, 2345305), (155, 2057816), (170, 1876244), (248, 1286135), (310, 1028908), (340, 938122), (527, 605240), (620, 514454), (680, 469061), (1054, 302620), (1240, 257227), (2108, 151310), (2635, 121048), (4216, 75655), (5270, 60524), (10540, 30262), (15131, 21080)]