15629420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 34872768

約数和(自身を除く): 19243348

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 230, 244, 305, 460, 557, 610, 1114, 1220, 1403, 2228, 2785, 2806, 5570, 5612, 7015, 11140, 12811, 14030, 25622, 28060, 33977, 51244, 64055, 67954, 128110, 135908, 169885, 256220, 339770, 679540, 781471, 1562942, 3125884, 3907355, 7814710, 15629420]

約数ペア:

[(1, 15629420), (2, 7814710), (4, 3907355), (5, 3125884), (10, 1562942), (20, 781471), (23, 679540), (46, 339770), (61, 256220), (92, 169885), (115, 135908), (122, 128110), (230, 67954), (244, 64055), (305, 51244), (460, 33977), (557, 28060), (610, 25622), (1114, 14030), (1220, 12811), (1403, 11140), (2228, 7015), (2785, 5612), (2806, 5570)]