127965780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8999}}^1$

素因数の和:9093

約数の個数: 72

約数和(自身を含む): 393120000

約数和(自身を除く): 265154220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 8999, 14220, 17998, 26997, 35996, 44995, 53994, 80991, 89990, 107988, 134985, 161982, 179980, 269970, 323964, 404955, 539940, 710921, 809910, 1421842, 1619820, 2132763, 2843684, 3554605, 4265526, 6398289, 7109210, 8531052, 10663815, 12796578, 14218420, 21327630, 25593156, 31991445, 42655260, 63982890, 127965780]

約数ペア:

[(1, 127965780), (2, 63982890), (3, 42655260), (4, 31991445), (5, 25593156), (6, 21327630), (9, 14218420), (10, 12796578), (12, 10663815), (15, 8531052), (18, 7109210), (20, 6398289), (30, 4265526), (36, 3554605), (45, 2843684), (60, 2132763), (79, 1619820), (90, 1421842), (158, 809910), (180, 710921), (237, 539940), (316, 404955), (395, 323964), (474, 269970), (711, 179980), (790, 161982), (948, 134985), (1185, 107988), (1422, 89990), (1580, 80991), (2370, 53994), (2844, 44995), (3555, 35996), (4740, 26997), (7110, 17998), (8999, 14220)]