1320240080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:613

約数の個数: 160

約数和(自身を含む): 3404246400

約数和(自身を除く): 2084006320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 61, 76, 80, 95, 116, 122, 145, 152, 190, 232, 244, 290, 304, 305, 380, 464, 488, 491, 551, 580, 610, 760, 976, 982, 1102, 1159, 1160, 1220, 1520, 1769, 1964, 2204, 2318, 2320, 2440, 2455, 2755, 3538, 3928, 4408, 4636, 4880, 4910, 5510, 5795, 7076, 7856, 8816, 8845, 9272, 9329, 9820, 11020, 11590, 14152, 14239, 17690, 18544, 18658, 19640, 22040, 23180, 28304, 28478, 29951, 33611, 35380, 37316, 39280, 44080, 46360, 46645, 56956, 59902, 67222, 70760, 71195, 74632, 92720, 93290, 113912, 119804, 134444, 141520, 142390, 149264, 149755, 168055, 186580, 227824, 239608, 268888, 270541, 284780, 299510, 336110, 373160, 479216, 537776, 541082, 569069, 569560, 599020, 672220, 746320, 868579, 1082164, 1138138, 1139120, 1198040, 1344440, 1352705, 1737158, 2164328, 2276276, 2396080, 2688880, 2705410, 2845345, 3474316, 4328656, 4342895, 4552552, 5410820, 5690690, 6948632, 8685790, 9105104, 10821640, 11381380, 13897264, 16503001, 17371580, 21643280, 22762760, 33006002, 34743160, 45525520, 66012004, 69486320, 82515005, 132024008, 165030010, 264048016, 330060020, 660120040, 1320240080]

約数ペア:

[(1, 1320240080), (2, 660120040), (4, 330060020), (5, 264048016), (8, 165030010), (10, 132024008), (16, 82515005), (19, 69486320), (20, 66012004), (29, 45525520), (38, 34743160), (40, 33006002), (58, 22762760), (61, 21643280), (76, 17371580), (80, 16503001), (95, 13897264), (116, 11381380), (122, 10821640), (145, 9105104), (152, 8685790), (190, 6948632), (232, 5690690), (244, 5410820), (290, 4552552), (304, 4342895), (305, 4328656), (380, 3474316), (464, 2845345), (488, 2705410), (491, 2688880), (551, 2396080), (580, 2276276), (610, 2164328), (760, 1737158), (976, 1352705), (982, 1344440), (1102, 1198040), (1159, 1139120), (1160, 1138138), (1220, 1082164), (1520, 868579), (1769, 746320), (1964, 672220), (2204, 599020), (2318, 569560), (2320, 569069), (2440, 541082), (2455, 537776), (2755, 479216), (3538, 373160), (3928, 336110), (4408, 299510), (4636, 284780), (4880, 270541), (4910, 268888), (5510, 239608), (5795, 227824), (7076, 186580), (7856, 168055), (8816, 149755), (8845, 149264), (9272, 142390), (9329, 141520), (9820, 134444), (11020, 119804), (11590, 113912), (14152, 93290), (14239, 92720), (17690, 74632), (18544, 71195), (18658, 70760), (19640, 67222), (22040, 59902), (23180, 56956), (28304, 46645), (28478, 46360), (29951, 44080), (33611, 39280), (35380, 37316)]