28505280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1291}}^1$

素因数の和:1334

約数の個数: 112

約数和(自身を含む): 94512384

約数和(自身を除く): 66007104

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 460, 480, 552, 690, 736, 920, 960, 1104, 1291, 1380, 1472, 1840, 2208, 2582, 2760, 3680, 3873, 4416, 5164, 5520, 6455, 7360, 7746, 10328, 11040, 12910, 15492, 19365, 20656, 22080, 25820, 29693, 30984, 38730, 41312, 51640, 59386, 61968, 77460, 82624, 89079, 103280, 118772, 123936, 148465, 154920, 178158, 206560, 237544, 247872, 296930, 309840, 356316, 413120, 445395, 475088, 593860, 619680, 712632, 890790, 950176, 1187720, 1239360, 1425264, 1781580, 1900352, 2375440, 2850528, 3563160, 4750880, 5701056, 7126320, 9501760, 14252640, 28505280]

約数ペア:

[(1, 28505280), (2, 14252640), (3, 9501760), (4, 7126320), (5, 5701056), (6, 4750880), (8, 3563160), (10, 2850528), (12, 2375440), (15, 1900352), (16, 1781580), (20, 1425264), (23, 1239360), (24, 1187720), (30, 950176), (32, 890790), (40, 712632), (46, 619680), (48, 593860), (60, 475088), (64, 445395), (69, 413120), (80, 356316), (92, 309840), (96, 296930), (115, 247872), (120, 237544), (138, 206560), (160, 178158), (184, 154920), (192, 148465), (230, 123936), (240, 118772), (276, 103280), (320, 89079), (345, 82624), (368, 77460), (460, 61968), (480, 59386), (552, 51640), (690, 41312), (736, 38730), (920, 30984), (960, 29693), (1104, 25820), (1291, 22080), (1380, 20656), (1472, 19365), (1840, 15492), (2208, 12910), (2582, 11040), (2760, 10328), (3680, 7746), (3873, 7360), (4416, 6455), (5164, 5520)]