8140755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 64

約数和(自身を含む): 15998976

約数和(自身を除く): 7858221

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 41, 61, 93, 105, 123, 155, 183, 205, 217, 287, 305, 427, 465, 615, 651, 861, 915, 1085, 1271, 1281, 1435, 1891, 2135, 2501, 3255, 3813, 4305, 5673, 6355, 6405, 7503, 8897, 9455, 12505, 13237, 17507, 19065, 26691, 28365, 37515, 39711, 44485, 52521, 66185, 77531, 87535, 133455, 198555, 232593, 262605, 387655, 542717, 1162965, 1628151, 2713585, 8140755]

約数ペア:

[(1, 8140755), (3, 2713585), (5, 1628151), (7, 1162965), (15, 542717), (21, 387655), (31, 262605), (35, 232593), (41, 198555), (61, 133455), (93, 87535), (105, 77531), (123, 66185), (155, 52521), (183, 44485), (205, 39711), (217, 37515), (287, 28365), (305, 26691), (427, 19065), (465, 17507), (615, 13237), (651, 12505), (861, 9455), (915, 8897), (1085, 7503), (1271, 6405), (1281, 6355), (1435, 5673), (1891, 4305), (2135, 3813), (2501, 3255)]