15405920

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1319}}^1$

素因数の和:1407

約数の個数: 48

約数和(自身を含む): 36923040

約数和(自身を除く): 21517120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1319, 1460, 2336, 2638, 2920, 5276, 5840, 6595, 10552, 11680, 13190, 21104, 26380, 42208, 52760, 96287, 105520, 192574, 211040, 385148, 481435, 770296, 962870, 1540592, 1925740, 3081184, 3851480, 7702960, 15405920]

約数ペア:

[(1, 15405920), (2, 7702960), (4, 3851480), (5, 3081184), (8, 1925740), (10, 1540592), (16, 962870), (20, 770296), (32, 481435), (40, 385148), (73, 211040), (80, 192574), (146, 105520), (160, 96287), (292, 52760), (365, 42208), (584, 26380), (730, 21104), (1168, 13190), (1319, 11680), (1460, 10552), (2336, 6595), (2638, 5840), (2920, 5276)]