15520456

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 36222930

約数和(自身を除く): 20702474

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 137, 196, 238, 274, 289, 392, 476, 548, 578, 833, 952, 959, 1096, 1156, 1666, 1918, 2023, 2312, 2329, 3332, 3836, 4046, 4658, 6664, 6713, 7672, 8092, 9316, 13426, 14161, 16184, 16303, 18632, 26852, 28322, 32606, 39593, 53704, 56644, 65212, 79186, 113288, 114121, 130424, 158372, 228242, 277151, 316744, 456484, 554302, 912968, 1108604, 1940057, 2217208, 3880114, 7760228, 15520456]

約数ペア:

[(1, 15520456), (2, 7760228), (4, 3880114), (7, 2217208), (8, 1940057), (14, 1108604), (17, 912968), (28, 554302), (34, 456484), (49, 316744), (56, 277151), (68, 228242), (98, 158372), (119, 130424), (136, 114121), (137, 113288), (196, 79186), (238, 65212), (274, 56644), (289, 53704), (392, 39593), (476, 32606), (548, 28322), (578, 26852), (833, 18632), (952, 16303), (959, 16184), (1096, 14161), (1156, 13426), (1666, 9316), (1918, 8092), (2023, 7672), (2312, 6713), (2329, 6664), (3332, 4658), (3836, 4046)]