201553980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25643}}^1$

素因数の和:25786

約数の個数: 48

約数和(自身を含む): 568681344

約数和(自身を除く): 367127364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 25643, 51286, 76929, 102572, 128215, 153858, 256430, 307716, 384645, 512860, 769290, 1538580, 3359233, 6718466, 10077699, 13436932, 16796165, 20155398, 33592330, 40310796, 50388495, 67184660, 100776990, 201553980]

約数ペア:

[(1, 201553980), (2, 100776990), (3, 67184660), (4, 50388495), (5, 40310796), (6, 33592330), (10, 20155398), (12, 16796165), (15, 13436932), (20, 10077699), (30, 6718466), (60, 3359233), (131, 1538580), (262, 769290), (393, 512860), (524, 384645), (655, 307716), (786, 256430), (1310, 153858), (1572, 128215), (1965, 102572), (2620, 76929), (3930, 51286), (7860, 25643)]