127730360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 295142400

約数和(自身を除く): 167412040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 316, 332, 395, 415, 487, 632, 664, 790, 830, 974, 1580, 1660, 1948, 2435, 3160, 3320, 3896, 4870, 6557, 9740, 13114, 19480, 26228, 32785, 38473, 40421, 52456, 65570, 76946, 80842, 131140, 153892, 161684, 192365, 202105, 262280, 307784, 323368, 384730, 404210, 769460, 808420, 1538920, 1616840, 3193259, 6386518, 12773036, 15966295, 25546072, 31932590, 63865180, 127730360]

約数ペア:

[(1, 127730360), (2, 63865180), (4, 31932590), (5, 25546072), (8, 15966295), (10, 12773036), (20, 6386518), (40, 3193259), (79, 1616840), (83, 1538920), (158, 808420), (166, 769460), (316, 404210), (332, 384730), (395, 323368), (415, 307784), (487, 262280), (632, 202105), (664, 192365), (790, 161684), (830, 153892), (974, 131140), (1580, 80842), (1660, 76946), (1948, 65570), (2435, 52456), (3160, 40421), (3320, 38473), (3896, 32785), (4870, 26228), (6557, 19480), (9740, 13114)]