86340560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1396

約数の個数: 80

約数和(自身を含む): 216384960

約数和(自身を除く): 130044400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1321, 1520, 1634, 1720, 2642, 3268, 3440, 4085, 5284, 6536, 6605, 8170, 10568, 13072, 13210, 16340, 21136, 25099, 26420, 32680, 50198, 52840, 56803, 65360, 100396, 105680, 113606, 125495, 200792, 227212, 250990, 284015, 401584, 454424, 501980, 568030, 908848, 1003960, 1079257, 1136060, 2007920, 2158514, 2272120, 4317028, 4544240, 5396285, 8634056, 10792570, 17268112, 21585140, 43170280, 86340560]

約数ペア:

[(1, 86340560), (2, 43170280), (4, 21585140), (5, 17268112), (8, 10792570), (10, 8634056), (16, 5396285), (19, 4544240), (20, 4317028), (38, 2272120), (40, 2158514), (43, 2007920), (76, 1136060), (80, 1079257), (86, 1003960), (95, 908848), (152, 568030), (172, 501980), (190, 454424), (215, 401584), (304, 284015), (344, 250990), (380, 227212), (430, 200792), (688, 125495), (760, 113606), (817, 105680), (860, 100396), (1321, 65360), (1520, 56803), (1634, 52840), (1720, 50198), (2642, 32680), (3268, 26420), (3440, 25099), (4085, 21136), (5284, 16340), (6536, 13210), (6605, 13072), (8170, 10568)]