656796840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1301}}^1$

素因数の和:1923

約数の個数: 128

約数和(自身を含む): 2257355520

約数和(自身を除く): 1600558680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 601, 840, 1202, 1301, 1803, 2404, 2602, 3005, 3606, 3903, 4207, 4808, 5204, 6010, 6505, 7212, 7806, 8414, 9015, 9107, 10408, 12020, 12621, 13010, 14424, 15612, 16828, 18030, 18214, 19515, 21035, 24040, 25242, 26020, 27321, 31224, 33656, 36060, 36428, 39030, 42070, 45535, 50484, 52040, 54642, 63105, 72120, 72856, 78060, 84140, 91070, 100968, 109284, 126210, 136605, 156120, 168280, 182140, 218568, 252420, 273210, 364280, 504840, 546420, 781901, 1092840, 1563802, 2345703, 3127604, 3909505, 4691406, 5473307, 6255208, 7819010, 9382812, 10946614, 11728515, 15638020, 16419921, 18765624, 21893228, 23457030, 27366535, 31276040, 32839842, 43786456, 46914060, 54733070, 65679684, 82099605, 93828120, 109466140, 131359368, 164199210, 218932280, 328398420, 656796840]

約数ペア:

[(1, 656796840), (2, 328398420), (3, 218932280), (4, 164199210), (5, 131359368), (6, 109466140), (7, 93828120), (8, 82099605), (10, 65679684), (12, 54733070), (14, 46914060), (15, 43786456), (20, 32839842), (21, 31276040), (24, 27366535), (28, 23457030), (30, 21893228), (35, 18765624), (40, 16419921), (42, 15638020), (56, 11728515), (60, 10946614), (70, 9382812), (84, 7819010), (105, 6255208), (120, 5473307), (140, 4691406), (168, 3909505), (210, 3127604), (280, 2345703), (420, 1563802), (601, 1092840), (840, 781901), (1202, 546420), (1301, 504840), (1803, 364280), (2404, 273210), (2602, 252420), (3005, 218568), (3606, 182140), (3903, 168280), (4207, 156120), (4808, 136605), (5204, 126210), (6010, 109284), (6505, 100968), (7212, 91070), (7806, 84140), (8414, 78060), (9015, 72856), (9107, 72120), (10408, 63105), (12020, 54642), (12621, 52040), (13010, 50484), (14424, 45535), (15612, 42070), (16828, 39030), (18030, 36428), (18214, 36060), (19515, 33656), (21035, 31224), (24040, 27321), (25242, 26020)]