28154760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^2$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 89017920

約数和(自身を除く): 60863160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 101, 115, 120, 138, 184, 202, 230, 276, 303, 345, 404, 460, 505, 552, 606, 690, 808, 920, 1010, 1212, 1380, 1515, 2020, 2323, 2424, 2760, 3030, 4040, 4646, 6060, 6969, 9292, 10201, 11615, 12120, 13938, 18584, 20402, 23230, 27876, 30603, 34845, 40804, 46460, 51005, 55752, 61206, 69690, 81608, 92920, 102010, 122412, 139380, 153015, 204020, 234623, 244824, 278760, 306030, 408040, 469246, 612060, 703869, 938492, 1173115, 1224120, 1407738, 1876984, 2346230, 2815476, 3519345, 4692460, 5630952, 7038690, 9384920, 14077380, 28154760]

約数ペア:

[(1, 28154760), (2, 14077380), (3, 9384920), (4, 7038690), (5, 5630952), (6, 4692460), (8, 3519345), (10, 2815476), (12, 2346230), (15, 1876984), (20, 1407738), (23, 1224120), (24, 1173115), (30, 938492), (40, 703869), (46, 612060), (60, 469246), (69, 408040), (92, 306030), (101, 278760), (115, 244824), (120, 234623), (138, 204020), (184, 153015), (202, 139380), (230, 122412), (276, 102010), (303, 92920), (345, 81608), (404, 69690), (460, 61206), (505, 55752), (552, 51005), (606, 46460), (690, 40804), (808, 34845), (920, 30603), (1010, 27876), (1212, 23230), (1380, 20402), (1515, 18584), (2020, 13938), (2323, 12120), (2424, 11615), (2760, 10201), (3030, 9292), (4040, 6969), (4646, 6060)]