131772720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{619}}^1\times {\mathrm{887}}^1$

素因数の和:1522

約数の個数: 80

約数和(自身を含む): 409616640

約数和(自身を除く): 277843920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 619, 887, 1238, 1774, 1857, 2476, 2661, 3095, 3548, 3714, 4435, 4952, 5322, 6190, 7096, 7428, 8870, 9285, 9904, 10644, 12380, 13305, 14192, 14856, 17740, 18570, 21288, 24760, 26610, 29712, 35480, 37140, 42576, 49520, 53220, 70960, 74280, 106440, 148560, 212880, 549053, 1098106, 1647159, 2196212, 2745265, 3294318, 4392424, 5490530, 6588636, 8235795, 8784848, 10981060, 13177272, 16471590, 21962120, 26354544, 32943180, 43924240, 65886360, 131772720]

約数ペア:

[(1, 131772720), (2, 65886360), (3, 43924240), (4, 32943180), (5, 26354544), (6, 21962120), (8, 16471590), (10, 13177272), (12, 10981060), (15, 8784848), (16, 8235795), (20, 6588636), (24, 5490530), (30, 4392424), (40, 3294318), (48, 2745265), (60, 2196212), (80, 1647159), (120, 1098106), (240, 549053), (619, 212880), (887, 148560), (1238, 106440), (1774, 74280), (1857, 70960), (2476, 53220), (2661, 49520), (3095, 42576), (3548, 37140), (3714, 35480), (4435, 29712), (4952, 26610), (5322, 24760), (6190, 21288), (7096, 18570), (7428, 17740), (8870, 14856), (9285, 14192), (9904, 13305), (10644, 12380)]