128974980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21283}}^1$

素因数の和:21396

約数の個数: 48

約数和(自身を含む): 364722624

約数和(自身を除く): 235747644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 6060, 21283, 42566, 63849, 85132, 106415, 127698, 212830, 255396, 319245, 425660, 638490, 1276980, 2149583, 4299166, 6448749, 8598332, 10747915, 12897498, 21495830, 25794996, 32243745, 42991660, 64487490, 128974980]

約数ペア:

[(1, 128974980), (2, 64487490), (3, 42991660), (4, 32243745), (5, 25794996), (6, 21495830), (10, 12897498), (12, 10747915), (15, 8598332), (20, 6448749), (30, 4299166), (60, 2149583), (101, 1276980), (202, 638490), (303, 425660), (404, 319245), (505, 255396), (606, 212830), (1010, 127698), (1212, 106415), (1515, 85132), (2020, 63849), (3030, 42566), (6060, 21283)]