138742920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{385397}}^1$

素因数の和:385414

約数の個数: 48

約数和(自身を含む): 450915660

約数和(自身を除く): 312172740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 385397, 770794, 1156191, 1541588, 1926985, 2312382, 3083176, 3468573, 3853970, 4624764, 5780955, 6937146, 7707940, 9249528, 11561910, 13874292, 15415880, 17342865, 23123820, 27748584, 34685730, 46247640, 69371460, 138742920]

約数ペア:

[(1, 138742920), (2, 69371460), (3, 46247640), (4, 34685730), (5, 27748584), (6, 23123820), (8, 17342865), (9, 15415880), (10, 13874292), (12, 11561910), (15, 9249528), (18, 7707940), (20, 6937146), (24, 5780955), (30, 4624764), (36, 3853970), (40, 3468573), (45, 3083176), (60, 2312382), (72, 1926985), (90, 1541588), (120, 1156191), (180, 770794), (360, 385397)]