1344440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 3348000

約数和(自身を除く): 2003560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 61, 76, 95, 116, 122, 145, 152, 190, 232, 244, 290, 305, 380, 488, 551, 580, 610, 760, 1102, 1159, 1160, 1220, 1769, 2204, 2318, 2440, 2755, 3538, 4408, 4636, 5510, 5795, 7076, 8845, 9272, 11020, 11590, 14152, 17690, 22040, 23180, 33611, 35380, 46360, 67222, 70760, 134444, 168055, 268888, 336110, 672220, 1344440]

約数ペア:

[(1, 1344440), (2, 672220), (4, 336110), (5, 268888), (8, 168055), (10, 134444), (19, 70760), (20, 67222), (29, 46360), (38, 35380), (40, 33611), (58, 23180), (61, 22040), (76, 17690), (95, 14152), (116, 11590), (122, 11020), (145, 9272), (152, 8845), (190, 7076), (232, 5795), (244, 5510), (290, 4636), (305, 4408), (380, 3538), (488, 2755), (551, 2440), (580, 2318), (610, 2204), (760, 1769), (1102, 1220), (1159, 1160)]