1821764280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1301}}^1\times {\mathrm{1667}}^1$

素因数の和:2989

約数の個数: 128

約数和(自身を含む): 6254599680

約数和(自身を除く): 4432835400

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, 840, 1301, 1667, 2602, 3334, 3903, 5001, 5204, 6505, 6668, 7806, 8335, 9107, 10002, 10408, 11669, 13010, 13336, 15612, 16670, 18214, 19515, 20004, 23338, 25005, 26020, 27321, 31224, 33340, 35007, 36428, 39030, 40008, 45535, 46676, 50010, 52040, 54642, 58345, 66680, 70014, 72856, 78060, 91070, 93352, 100020, 109284, 116690, 136605, 140028, 156120, 175035, 182140, 200040, 218568, 233380, 273210, 280056, 350070, 364280, 466760, 546420, 700140, 1092840, 1400280, 2168767, 4337534, 6506301, 8675068, 10843835, 13012602, 15181369, 17350136, 21687670, 26025204, 30362738, 32531505, 43375340, 45544107, 52050408, 60725476, 65063010, 75906845, 86750680, 91088214, 121450952, 130126020, 151813690, 182176428, 227720535, 260252040, 303627380, 364352856, 455441070, 607254760, 910882140, 1821764280]

約数ペア:

[(1, 1821764280), (2, 910882140), (3, 607254760), (4, 455441070), (5, 364352856), (6, 303627380), (7, 260252040), (8, 227720535), (10, 182176428), (12, 151813690), (14, 130126020), (15, 121450952), (20, 91088214), (21, 86750680), (24, 75906845), (28, 65063010), (30, 60725476), (35, 52050408), (40, 45544107), (42, 43375340), (56, 32531505), (60, 30362738), (70, 26025204), (84, 21687670), (105, 17350136), (120, 15181369), (140, 13012602), (168, 10843835), (210, 8675068), (280, 6506301), (420, 4337534), (840, 2168767), (1301, 1400280), (1667, 1092840), (2602, 700140), (3334, 546420), (3903, 466760), (5001, 364280), (5204, 350070), (6505, 280056), (6668, 273210), (7806, 233380), (8335, 218568), (9107, 200040), (10002, 182140), (10408, 175035), (11669, 156120), (13010, 140028), (13336, 136605), (15612, 116690), (16670, 109284), (18214, 100020), (19515, 93352), (20004, 91070), (23338, 78060), (25005, 72856), (26020, 70014), (27321, 66680), (31224, 58345), (33340, 54642), (35007, 52040), (36428, 50010), (39030, 46676), (40008, 45535)]