87238960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1286

約数の個数: 80

約数和(自身を含む): 216771840

約数和(自身を除く): 129532880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1213, 1240, 1798, 2320, 2426, 2480, 3596, 4495, 4852, 6065, 7192, 8990, 9704, 12130, 14384, 17980, 19408, 24260, 35177, 35960, 37603, 48520, 70354, 71920, 75206, 97040, 140708, 150412, 175885, 188015, 281416, 300824, 351770, 376030, 562832, 601648, 703540, 752060, 1090487, 1407080, 1504120, 2180974, 2814160, 3008240, 4361948, 5452435, 8723896, 10904870, 17447792, 21809740, 43619480, 87238960]

約数ペア:

[(1, 87238960), (2, 43619480), (4, 21809740), (5, 17447792), (8, 10904870), (10, 8723896), (16, 5452435), (20, 4361948), (29, 3008240), (31, 2814160), (40, 2180974), (58, 1504120), (62, 1407080), (80, 1090487), (116, 752060), (124, 703540), (145, 601648), (155, 562832), (232, 376030), (248, 351770), (290, 300824), (310, 281416), (464, 188015), (496, 175885), (580, 150412), (620, 140708), (899, 97040), (1160, 75206), (1213, 71920), (1240, 70354), (1798, 48520), (2320, 37603), (2426, 35960), (2480, 35177), (3596, 24260), (4495, 19408), (4852, 17980), (6065, 14384), (7192, 12130), (8990, 9704)]