28026420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{883}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 82127136

約数和(自身を除く): 54100716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 529, 690, 883, 1058, 1380, 1587, 1766, 2116, 2645, 2649, 3174, 3532, 4415, 5290, 5298, 6348, 7935, 8830, 10580, 10596, 13245, 15870, 17660, 20309, 26490, 31740, 40618, 52980, 60927, 81236, 101545, 121854, 203090, 243708, 304635, 406180, 467107, 609270, 934214, 1218540, 1401321, 1868428, 2335535, 2802642, 4671070, 5605284, 7006605, 9342140, 14013210, 28026420]

約数ペア:

[(1, 28026420), (2, 14013210), (3, 9342140), (4, 7006605), (5, 5605284), (6, 4671070), (10, 2802642), (12, 2335535), (15, 1868428), (20, 1401321), (23, 1218540), (30, 934214), (46, 609270), (60, 467107), (69, 406180), (92, 304635), (115, 243708), (138, 203090), (230, 121854), (276, 101545), (345, 81236), (460, 60927), (529, 52980), (690, 40618), (883, 31740), (1058, 26490), (1380, 20309), (1587, 17660), (1766, 15870), (2116, 13245), (2645, 10596), (2649, 10580), (3174, 8830), (3532, 7935), (4415, 6348), (5290, 5298)]