15921440

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 21999520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 604, 659, 755, 1208, 1318, 1510, 2416, 2636, 3020, 3295, 4832, 5272, 6040, 6590, 10544, 12080, 13180, 21088, 24160, 26360, 52720, 99509, 105440, 199018, 398036, 497545, 796072, 995090, 1592144, 1990180, 3184288, 3980360, 7960720, 15921440]

約数ペア:

[(1, 15921440), (2, 7960720), (4, 3980360), (5, 3184288), (8, 1990180), (10, 1592144), (16, 995090), (20, 796072), (32, 497545), (40, 398036), (80, 199018), (151, 105440), (160, 99509), (302, 52720), (604, 26360), (659, 24160), (755, 21088), (1208, 13180), (1318, 12080), (1510, 10544), (2416, 6590), (2636, 6040), (3020, 5272), (3295, 4832)]