17811960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{983}}^1$

素因数の和:1148

約数の個数: 64

約数和(自身を含む): 53844480

約数和(自身を除く): 36032520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 151, 302, 453, 604, 755, 906, 983, 1208, 1510, 1812, 1966, 2265, 2949, 3020, 3624, 3932, 4530, 4915, 5898, 6040, 7864, 9060, 9830, 11796, 14745, 18120, 19660, 23592, 29490, 39320, 58980, 117960, 148433, 296866, 445299, 593732, 742165, 890598, 1187464, 1484330, 1781196, 2226495, 2968660, 3562392, 4452990, 5937320, 8905980, 17811960]

約数ペア:

[(1, 17811960), (2, 8905980), (3, 5937320), (4, 4452990), (5, 3562392), (6, 2968660), (8, 2226495), (10, 1781196), (12, 1484330), (15, 1187464), (20, 890598), (24, 742165), (30, 593732), (40, 445299), (60, 296866), (120, 148433), (151, 117960), (302, 58980), (453, 39320), (604, 29490), (755, 23592), (906, 19660), (983, 18120), (1208, 14745), (1510, 11796), (1812, 9830), (1966, 9060), (2265, 7864), (2949, 6040), (3020, 5898), (3624, 4915), (3932, 4530)]