181415720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{6361}}^1$

素因数の和:6426

約数の個数: 64

約数和(自身を含む): 439741440

約数和(自身を除く): 258325720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 6361, 7130, 12722, 14260, 25444, 28520, 31805, 50888, 63610, 127220, 146303, 197191, 254440, 292606, 394382, 585212, 731515, 788764, 985955, 1170424, 1463030, 1577528, 1971910, 2926060, 3943820, 4535393, 5852120, 7887640, 9070786, 18141572, 22676965, 36283144, 45353930, 90707860, 181415720]

約数ペア:

[(1, 181415720), (2, 90707860), (4, 45353930), (5, 36283144), (8, 22676965), (10, 18141572), (20, 9070786), (23, 7887640), (31, 5852120), (40, 4535393), (46, 3943820), (62, 2926060), (92, 1971910), (115, 1577528), (124, 1463030), (155, 1170424), (184, 985955), (230, 788764), (248, 731515), (310, 585212), (460, 394382), (620, 292606), (713, 254440), (920, 197191), (1240, 146303), (1426, 127220), (2852, 63610), (3565, 50888), (5704, 31805), (6361, 28520), (7130, 25444), (12722, 14260)]