1276637360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{9437}}^1$

素因数の和:9558

約数の個数: 80

約数和(自身を含む): 3159842400

約数和(自身を除く): 1883205040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 445, 712, 760, 890, 1424, 1520, 1691, 1780, 3382, 3560, 6764, 7120, 8455, 9437, 13528, 16910, 18874, 27056, 33820, 37748, 47185, 67640, 75496, 94370, 135280, 150992, 179303, 188740, 358606, 377480, 717212, 754960, 839893, 896515, 1434424, 1679786, 1793030, 2868848, 3359572, 3586060, 4199465, 6719144, 7172120, 8398930, 13438288, 14344240, 15957967, 16797860, 31915934, 33595720, 63831868, 67191440, 79789835, 127663736, 159579670, 255327472, 319159340, 638318680, 1276637360]

約数ペア:

[(1, 1276637360), (2, 638318680), (4, 319159340), (5, 255327472), (8, 159579670), (10, 127663736), (16, 79789835), (19, 67191440), (20, 63831868), (38, 33595720), (40, 31915934), (76, 16797860), (80, 15957967), (89, 14344240), (95, 13438288), (152, 8398930), (178, 7172120), (190, 6719144), (304, 4199465), (356, 3586060), (380, 3359572), (445, 2868848), (712, 1793030), (760, 1679786), (890, 1434424), (1424, 896515), (1520, 839893), (1691, 754960), (1780, 717212), (3382, 377480), (3560, 358606), (6764, 188740), (7120, 179303), (8455, 150992), (9437, 135280), (13528, 94370), (16910, 75496), (18874, 67640), (27056, 47185), (33820, 37748)]