255730160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14731}}^1$

素因数の和:14782

約数の個数: 80

約数和(自身を含む): 701478912

約数和(自身を除く): 445748752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 14731, 17360, 29462, 58924, 73655, 103117, 117848, 147310, 206234, 235696, 294620, 412468, 456661, 515585, 589240, 824936, 913322, 1031170, 1178480, 1649872, 1826644, 2062340, 2283305, 3196627, 3653288, 4124680, 4566610, 6393254, 7306576, 8249360, 9133220, 12786508, 15983135, 18266440, 25573016, 31966270, 36532880, 51146032, 63932540, 127865080, 255730160]

約数ペア:

[(1, 255730160), (2, 127865080), (4, 63932540), (5, 51146032), (7, 36532880), (8, 31966270), (10, 25573016), (14, 18266440), (16, 15983135), (20, 12786508), (28, 9133220), (31, 8249360), (35, 7306576), (40, 6393254), (56, 4566610), (62, 4124680), (70, 3653288), (80, 3196627), (112, 2283305), (124, 2062340), (140, 1826644), (155, 1649872), (217, 1178480), (248, 1031170), (280, 913322), (310, 824936), (434, 589240), (496, 515585), (560, 456661), (620, 412468), (868, 294620), (1085, 235696), (1240, 206234), (1736, 147310), (2170, 117848), (2480, 103117), (3472, 73655), (4340, 58924), (8680, 29462), (14731, 17360)]