1271440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 3089088

約数和(自身を除く): 1817648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 691, 920, 1382, 1840, 2764, 3455, 5528, 6910, 11056, 13820, 15893, 27640, 31786, 55280, 63572, 79465, 127144, 158930, 254288, 317860, 635720, 1271440]

約数ペア:

[(1, 1271440), (2, 635720), (4, 317860), (5, 254288), (8, 158930), (10, 127144), (16, 79465), (20, 63572), (23, 55280), (40, 31786), (46, 27640), (80, 15893), (92, 13820), (115, 11056), (184, 6910), (230, 5528), (368, 3455), (460, 2764), (691, 1840), (920, 1382)]