72715440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43283}}^1$

素因数の和:43306

約数の個数: 80

約数和(自身を含む): 257626368

約数和(自身を除く): 184910928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43283, 86566, 129849, 173132, 216415, 259698, 302981, 346264, 432830, 519396, 605962, 649245, 692528, 865660, 908943, 1038792, 1211924, 1298490, 1514905, 1731320, 1817886, 2077584, 2423848, 2596980, 3029810, 3462640, 3635772, 4544715, 4847696, 5193960, 6059620, 7271544, 9089430, 10387920, 12119240, 14543088, 18178860, 24238480, 36357720, 72715440]

約数ペア:

[(1, 72715440), (2, 36357720), (3, 24238480), (4, 18178860), (5, 14543088), (6, 12119240), (7, 10387920), (8, 9089430), (10, 7271544), (12, 6059620), (14, 5193960), (15, 4847696), (16, 4544715), (20, 3635772), (21, 3462640), (24, 3029810), (28, 2596980), (30, 2423848), (35, 2077584), (40, 1817886), (42, 1731320), (48, 1514905), (56, 1298490), (60, 1211924), (70, 1038792), (80, 908943), (84, 865660), (105, 692528), (112, 649245), (120, 605962), (140, 519396), (168, 432830), (210, 346264), (240, 302981), (280, 259698), (336, 216415), (420, 173132), (560, 129849), (840, 86566), (1680, 43283)]