12729270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 19204170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 79, 82, 123, 131, 158, 205, 237, 246, 262, 393, 395, 410, 474, 615, 655, 786, 790, 1185, 1230, 1310, 1965, 2370, 3239, 3930, 5371, 6478, 9717, 10349, 10742, 16113, 16195, 19434, 20698, 26855, 31047, 32226, 32390, 48585, 51745, 53710, 62094, 80565, 97170, 103490, 155235, 161130, 310470, 424309, 848618, 1272927, 2121545, 2545854, 4243090, 6364635, 12729270]

約数ペア:

[(1, 12729270), (2, 6364635), (3, 4243090), (5, 2545854), (6, 2121545), (10, 1272927), (15, 848618), (30, 424309), (41, 310470), (79, 161130), (82, 155235), (123, 103490), (131, 97170), (158, 80565), (205, 62094), (237, 53710), (246, 51745), (262, 48585), (393, 32390), (395, 32226), (410, 31047), (474, 26855), (615, 20698), (655, 19434), (786, 16195), (790, 16113), (1185, 10742), (1230, 10349), (1310, 9717), (1965, 6478), (2370, 5371), (3239, 3930)]