77676560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3931}}^1$

素因数の和:3976

約数の個数: 80

約数和(自身を含む): 204778560

約数和(自身を除く): 127102000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3931, 3952, 4940, 7862, 9880, 15724, 19655, 19760, 31448, 39310, 51103, 62896, 74689, 78620, 102206, 149378, 157240, 204412, 255515, 298756, 314480, 373445, 408824, 511030, 597512, 746890, 817648, 970957, 1022060, 1195024, 1493780, 1941914, 2044120, 2987560, 3883828, 4088240, 4854785, 5975120, 7767656, 9709570, 15535312, 19419140, 38838280, 77676560]

約数ペア:

[(1, 77676560), (2, 38838280), (4, 19419140), (5, 15535312), (8, 9709570), (10, 7767656), (13, 5975120), (16, 4854785), (19, 4088240), (20, 3883828), (26, 2987560), (38, 2044120), (40, 1941914), (52, 1493780), (65, 1195024), (76, 1022060), (80, 970957), (95, 817648), (104, 746890), (130, 597512), (152, 511030), (190, 408824), (208, 373445), (247, 314480), (260, 298756), (304, 255515), (380, 204412), (494, 157240), (520, 149378), (760, 102206), (988, 78620), (1040, 74689), (1235, 62896), (1520, 51103), (1976, 39310), (2470, 31448), (3931, 19760), (3952, 19655), (4940, 15724), (7862, 9880)]