138831960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7369}}^1$

素因数の和:7540

約数の個数: 64

約数和(自身を含む): 419205600

約数和(自身を除く): 280373640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 7369, 9420, 14738, 18840, 22107, 29476, 36845, 44214, 58952, 73690, 88428, 110535, 147380, 176856, 221070, 294760, 442140, 884280, 1156933, 2313866, 3470799, 4627732, 5784665, 6941598, 9255464, 11569330, 13883196, 17353995, 23138660, 27766392, 34707990, 46277320, 69415980, 138831960]

約数ペア:

[(1, 138831960), (2, 69415980), (3, 46277320), (4, 34707990), (5, 27766392), (6, 23138660), (8, 17353995), (10, 13883196), (12, 11569330), (15, 9255464), (20, 6941598), (24, 5784665), (30, 4627732), (40, 3470799), (60, 2313866), (120, 1156933), (157, 884280), (314, 442140), (471, 294760), (628, 221070), (785, 176856), (942, 147380), (1256, 110535), (1570, 88428), (1884, 73690), (2355, 58952), (3140, 44214), (3768, 36845), (4710, 29476), (6280, 22107), (7369, 18840), (9420, 14738)]