1248651680

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{71597}}^1$

素因数の和:71721

約数の個数: 48

約数和(自身を含む): 2977044840

約数和(自身を除く): 1728393160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 17440, 71597, 143194, 286388, 357985, 572776, 715970, 1145552, 1431940, 2291104, 2863880, 5727760, 7804073, 11455520, 15608146, 31216292, 39020365, 62432584, 78040730, 124865168, 156081460, 249730336, 312162920, 624325840, 1248651680]

約数ペア:

[(1, 1248651680), (2, 624325840), (4, 312162920), (5, 249730336), (8, 156081460), (10, 124865168), (16, 78040730), (20, 62432584), (32, 39020365), (40, 31216292), (80, 15608146), (109, 11455520), (160, 7804073), (218, 5727760), (436, 2863880), (545, 2291104), (872, 1431940), (1090, 1145552), (1744, 715970), (2180, 572776), (3488, 357985), (4360, 286388), (8720, 143194), (17440, 71597)]