68980120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{743}}^1$

素因数の和:976

約数の個数: 64

約数和(自身を含む): 170346240

約数和(自身を除く): 101366120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 422, 440, 743, 844, 1055, 1486, 1688, 2110, 2321, 2972, 3715, 4220, 4642, 5944, 7430, 8173, 8440, 9284, 11605, 14860, 16346, 18568, 23210, 29720, 32692, 40865, 46420, 65384, 81730, 92840, 156773, 163460, 313546, 326920, 627092, 783865, 1254184, 1567730, 1724503, 3135460, 3449006, 6270920, 6898012, 8622515, 13796024, 17245030, 34490060, 68980120]

約数ペア:

[(1, 68980120), (2, 34490060), (4, 17245030), (5, 13796024), (8, 8622515), (10, 6898012), (11, 6270920), (20, 3449006), (22, 3135460), (40, 1724503), (44, 1567730), (55, 1254184), (88, 783865), (110, 627092), (211, 326920), (220, 313546), (422, 163460), (440, 156773), (743, 92840), (844, 81730), (1055, 65384), (1486, 46420), (1688, 40865), (2110, 32692), (2321, 29720), (2972, 23210), (3715, 18568), (4220, 16346), (4642, 14860), (5944, 11605), (7430, 9284), (8173, 8440)]