66088280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 154828800

約数和(自身を除く): 88740520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 223, 239, 248, 310, 446, 478, 620, 892, 956, 1115, 1195, 1240, 1784, 1912, 2230, 2390, 4460, 4780, 6913, 7409, 8920, 9560, 13826, 14818, 27652, 29636, 34565, 37045, 53297, 55304, 59272, 69130, 74090, 106594, 138260, 148180, 213188, 266485, 276520, 296360, 426376, 532970, 1065940, 1652207, 2131880, 3304414, 6608828, 8261035, 13217656, 16522070, 33044140, 66088280]

約数ペア:

[(1, 66088280), (2, 33044140), (4, 16522070), (5, 13217656), (8, 8261035), (10, 6608828), (20, 3304414), (31, 2131880), (40, 1652207), (62, 1065940), (124, 532970), (155, 426376), (223, 296360), (239, 276520), (248, 266485), (310, 213188), (446, 148180), (478, 138260), (620, 106594), (892, 74090), (956, 69130), (1115, 59272), (1195, 55304), (1240, 53297), (1784, 37045), (1912, 34565), (2230, 29636), (2390, 27652), (4460, 14818), (4780, 13826), (6913, 9560), (7409, 8920)]