1255020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 3786720

約数和(自身を除く): 2531700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1609, 3218, 4827, 6436, 8045, 9654, 16090, 19308, 20917, 24135, 32180, 41834, 48270, 62751, 83668, 96540, 104585, 125502, 209170, 251004, 313755, 418340, 627510, 1255020]

約数ペア:

[(1, 1255020), (2, 627510), (3, 418340), (4, 313755), (5, 251004), (6, 209170), (10, 125502), (12, 104585), (13, 96540), (15, 83668), (20, 62751), (26, 48270), (30, 41834), (39, 32180), (52, 24135), (60, 20917), (65, 19308), (78, 16090), (130, 9654), (156, 8045), (195, 6436), (260, 4827), (390, 3218), (780, 1609)]