128654960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7411}}^1$

素因数の和:7462

約数の個数: 80

約数和(自身を含む): 352929792

約数和(自身を除く): 224274832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 7411, 8680, 14822, 17360, 29644, 37055, 51877, 59288, 74110, 103754, 118576, 148220, 207508, 229741, 259385, 296440, 415016, 459482, 518770, 592880, 830032, 918964, 1037540, 1148705, 1608187, 1837928, 2075080, 2297410, 3216374, 3675856, 4150160, 4594820, 6432748, 8040935, 9189640, 12865496, 16081870, 18379280, 25730992, 32163740, 64327480, 128654960]

約数ペア:

[(1, 128654960), (2, 64327480), (4, 32163740), (5, 25730992), (7, 18379280), (8, 16081870), (10, 12865496), (14, 9189640), (16, 8040935), (20, 6432748), (28, 4594820), (31, 4150160), (35, 3675856), (40, 3216374), (56, 2297410), (62, 2075080), (70, 1837928), (80, 1608187), (112, 1148705), (124, 1037540), (140, 918964), (155, 830032), (217, 592880), (248, 518770), (280, 459482), (310, 415016), (434, 296440), (496, 259385), (560, 229741), (620, 207508), (868, 148220), (1085, 118576), (1240, 103754), (1736, 74110), (2170, 59288), (2480, 51877), (3472, 37055), (4340, 29644), (7411, 17360), (8680, 14822)]