28766640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17123}}^1$

素因数の和:17146

約数の個数: 80

約数和(自身を含む): 101922048

約数和(自身を除く): 73155408

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, 17123, 34246, 51369, 68492, 85615, 102738, 119861, 136984, 171230, 205476, 239722, 256845, 273968, 342460, 359583, 410952, 479444, 513690, 599305, 684920, 719166, 821904, 958888, 1027380, 1198610, 1369840, 1438332, 1797915, 1917776, 2054760, 2397220, 2876664, 3595830, 4109520, 4794440, 5753328, 7191660, 9588880, 14383320, 28766640]

約数ペア:

[(1, 28766640), (2, 14383320), (3, 9588880), (4, 7191660), (5, 5753328), (6, 4794440), (7, 4109520), (8, 3595830), (10, 2876664), (12, 2397220), (14, 2054760), (15, 1917776), (16, 1797915), (20, 1438332), (21, 1369840), (24, 1198610), (28, 1027380), (30, 958888), (35, 821904), (40, 719166), (42, 684920), (48, 599305), (56, 513690), (60, 479444), (70, 410952), (80, 359583), (84, 342460), (105, 273968), (112, 256845), (120, 239722), (140, 205476), (168, 171230), (210, 136984), (240, 119861), (280, 102738), (336, 85615), (420, 68492), (560, 51369), (840, 34246), (1680, 17123)]