12772180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 29763720

約数和(自身を除く): 16991540

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 61, 76, 95, 116, 122, 145, 190, 244, 290, 305, 361, 380, 551, 580, 610, 722, 1102, 1159, 1220, 1444, 1769, 1805, 2204, 2318, 2755, 3538, 3610, 4636, 5510, 5795, 7076, 7220, 8845, 10469, 11020, 11590, 17690, 20938, 22021, 23180, 33611, 35380, 41876, 44042, 52345, 67222, 88084, 104690, 110105, 134444, 168055, 209380, 220210, 336110, 440420, 638609, 672220, 1277218, 2554436, 3193045, 6386090, 12772180]

約数ペア:

[(1, 12772180), (2, 6386090), (4, 3193045), (5, 2554436), (10, 1277218), (19, 672220), (20, 638609), (29, 440420), (38, 336110), (58, 220210), (61, 209380), (76, 168055), (95, 134444), (116, 110105), (122, 104690), (145, 88084), (190, 67222), (244, 52345), (290, 44042), (305, 41876), (361, 35380), (380, 33611), (551, 23180), (580, 22021), (610, 20938), (722, 17690), (1102, 11590), (1159, 11020), (1220, 10469), (1444, 8845), (1769, 7220), (1805, 7076), (2204, 5795), (2318, 5510), (2755, 4636), (3538, 3610)]