72483920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 107504560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 223, 239, 272, 340, 446, 478, 680, 892, 956, 1115, 1195, 1360, 1784, 1912, 2230, 2390, 3568, 3791, 3824, 4063, 4460, 4780, 7582, 8126, 8920, 9560, 15164, 16252, 17840, 18955, 19120, 20315, 30328, 32504, 37910, 40630, 53297, 60656, 65008, 75820, 81260, 106594, 151640, 162520, 213188, 266485, 303280, 325040, 426376, 532970, 852752, 906049, 1065940, 1812098, 2131880, 3624196, 4263760, 4530245, 7248392, 9060490, 14496784, 18120980, 36241960, 72483920]

約数ペア:

[(1, 72483920), (2, 36241960), (4, 18120980), (5, 14496784), (8, 9060490), (10, 7248392), (16, 4530245), (17, 4263760), (20, 3624196), (34, 2131880), (40, 1812098), (68, 1065940), (80, 906049), (85, 852752), (136, 532970), (170, 426376), (223, 325040), (239, 303280), (272, 266485), (340, 213188), (446, 162520), (478, 151640), (680, 106594), (892, 81260), (956, 75820), (1115, 65008), (1195, 60656), (1360, 53297), (1784, 40630), (1912, 37910), (2230, 32504), (2390, 30328), (3568, 20315), (3791, 19120), (3824, 18955), (4063, 17840), (4460, 16252), (4780, 15164), (7582, 9560), (8126, 8920)]