15580755

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 80

約数和(自身を含む): 30945024

約数和(自身を除く): 15364269

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 73, 81, 85, 93, 135, 153, 155, 219, 255, 279, 365, 405, 459, 465, 527, 657, 765, 837, 1095, 1241, 1377, 1395, 1581, 1971, 2263, 2295, 2511, 2635, 3285, 3723, 4185, 4743, 5913, 6205, 6789, 6885, 7905, 9855, 11169, 11315, 12555, 14229, 18615, 20367, 23715, 29565, 33507, 33945, 38471, 42687, 55845, 61101, 71145, 100521, 101835, 115413, 167535, 183303, 192355, 213435, 305505, 346239, 502605, 577065, 916515, 1038717, 1731195, 3116151, 5193585, 15580755]

約数ペア:

[(1, 15580755), (3, 5193585), (5, 3116151), (9, 1731195), (15, 1038717), (17, 916515), (27, 577065), (31, 502605), (45, 346239), (51, 305505), (73, 213435), (81, 192355), (85, 183303), (93, 167535), (135, 115413), (153, 101835), (155, 100521), (219, 71145), (255, 61101), (279, 55845), (365, 42687), (405, 38471), (459, 33945), (465, 33507), (527, 29565), (657, 23715), (765, 20367), (837, 18615), (1095, 14229), (1241, 12555), (1377, 11315), (1395, 11169), (1581, 9855), (1971, 7905), (2263, 6885), (2295, 6789), (2511, 6205), (2635, 5913), (3285, 4743), (3723, 4185)]