26561640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 92252160

約数和(自身を除く): 65690520

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, 103, 105, 120, 140, 168, 206, 210, 280, 307, 309, 412, 420, 515, 614, 618, 721, 824, 840, 921, 1030, 1228, 1236, 1442, 1535, 1545, 1842, 2060, 2149, 2163, 2456, 2472, 2884, 3070, 3090, 3605, 3684, 4120, 4298, 4326, 4605, 5768, 6140, 6180, 6447, 7210, 7368, 8596, 8652, 9210, 10745, 10815, 12280, 12360, 12894, 14420, 17192, 17304, 18420, 21490, 21630, 25788, 28840, 31621, 32235, 36840, 42980, 43260, 51576, 63242, 64470, 85960, 86520, 94863, 126484, 128940, 158105, 189726, 221347, 252968, 257880, 316210, 379452, 442694, 474315, 632420, 664041, 758904, 885388, 948630, 1106735, 1264840, 1328082, 1770776, 1897260, 2213470, 2656164, 3320205, 3794520, 4426940, 5312328, 6640410, 8853880, 13280820, 26561640]

約数ペア:

[(1, 26561640), (2, 13280820), (3, 8853880), (4, 6640410), (5, 5312328), (6, 4426940), (7, 3794520), (8, 3320205), (10, 2656164), (12, 2213470), (14, 1897260), (15, 1770776), (20, 1328082), (21, 1264840), (24, 1106735), (28, 948630), (30, 885388), (35, 758904), (40, 664041), (42, 632420), (56, 474315), (60, 442694), (70, 379452), (84, 316210), (103, 257880), (105, 252968), (120, 221347), (140, 189726), (168, 158105), (206, 128940), (210, 126484), (280, 94863), (307, 86520), (309, 85960), (412, 64470), (420, 63242), (515, 51576), (614, 43260), (618, 42980), (721, 36840), (824, 32235), (840, 31621), (921, 28840), (1030, 25788), (1228, 21630), (1236, 21490), (1442, 18420), (1535, 17304), (1545, 17192), (1842, 14420), (2060, 12894), (2149, 12360), (2163, 12280), (2456, 10815), (2472, 10745), (2884, 9210), (3070, 8652), (3090, 8596), (3605, 7368), (3684, 7210), (4120, 6447), (4298, 6180), (4326, 6140), (4605, 5768)]