1376927720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3863}}^1$

素因数の和:3967

約数の個数: 128

約数和(自身を含む): 3783628800

約数和(自身を除く): 2406701080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 67, 70, 76, 95, 133, 134, 140, 152, 190, 266, 268, 280, 335, 380, 469, 532, 536, 665, 670, 760, 938, 1064, 1273, 1330, 1340, 1876, 2345, 2546, 2660, 2680, 3752, 3863, 4690, 5092, 5320, 6365, 7726, 8911, 9380, 10184, 12730, 15452, 17822, 18760, 19315, 25460, 27041, 30904, 35644, 38630, 44555, 50920, 54082, 71288, 73397, 77260, 89110, 108164, 135205, 146794, 154520, 178220, 216328, 258821, 270410, 293588, 356440, 366985, 513779, 517642, 540820, 587176, 733970, 1027558, 1035284, 1081640, 1294105, 1467940, 1811747, 2055116, 2070568, 2568895, 2588210, 2935880, 3623494, 4110232, 4917599, 5137790, 5176420, 7246988, 9058735, 9835198, 10275580, 10352840, 14493976, 18117470, 19670396, 20551160, 24587995, 34423193, 36234940, 39340792, 49175990, 68846386, 72469880, 98351980, 137692772, 172115965, 196703960, 275385544, 344231930, 688463860, 1376927720]

約数ペア:

[(1, 1376927720), (2, 688463860), (4, 344231930), (5, 275385544), (7, 196703960), (8, 172115965), (10, 137692772), (14, 98351980), (19, 72469880), (20, 68846386), (28, 49175990), (35, 39340792), (38, 36234940), (40, 34423193), (56, 24587995), (67, 20551160), (70, 19670396), (76, 18117470), (95, 14493976), (133, 10352840), (134, 10275580), (140, 9835198), (152, 9058735), (190, 7246988), (266, 5176420), (268, 5137790), (280, 4917599), (335, 4110232), (380, 3623494), (469, 2935880), (532, 2588210), (536, 2568895), (665, 2070568), (670, 2055116), (760, 1811747), (938, 1467940), (1064, 1294105), (1273, 1081640), (1330, 1035284), (1340, 1027558), (1876, 733970), (2345, 587176), (2546, 540820), (2660, 517642), (2680, 513779), (3752, 366985), (3863, 356440), (4690, 293588), (5092, 270410), (5320, 258821), (6365, 216328), (7726, 178220), (8911, 154520), (9380, 146794), (10184, 135205), (12730, 108164), (15452, 89110), (17822, 77260), (18760, 73397), (19315, 71288), (25460, 54082), (27041, 50920), (30904, 44555), (35644, 38630)]