28790622.000000000

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491261}}^1$

素因数の和:491277

約数の個数: 40

約数和(自身を含む): 365498928

約数和(自身を除く): 247596288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491261, 982522, 1473783, 1965044, 2456305, 2947566, 3930088, 4912610, 5895132, 7368915, 7860176, 9825220, 11790264, 14737830, 19650440, 23580528, 29475660, 39300880, 58951320, 117902640]

約数ペア:

[(1, 117902640), (2, 58951320), (3, 39300880), (4, 29475660), (5, 23580528), (6, 19650440), (8, 14737830), (10, 11790264), (12, 9825220), (15, 7860176), (16, 7368915), (20, 5895132), (24, 4912610), (30, 3930088), (40, 2947566), (48, 2456305), (60, 1965044), (80, 1473783), (120, 982522), (240, 491261)]