140617980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{781211}}^1$

素因数の和:781226

約数の個数: 36

約数和(自身を含む): 426541752

約数和(自身を除く): 285923772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 781211, 1562422, 2343633, 3124844, 3906055, 4687266, 7030899, 7812110, 9374532, 11718165, 14061798, 15624220, 23436330, 28123596, 35154495, 46872660, 70308990, 140617980]

約数ペア:

[(1, 140617980), (2, 70308990), (3, 46872660), (4, 35154495), (5, 28123596), (6, 23436330), (9, 15624220), (10, 14061798), (12, 11718165), (15, 9374532), (18, 7812110), (20, 7030899), (30, 4687266), (36, 3906055), (45, 3124844), (60, 2343633), (90, 1562422), (180, 781211)]