2017810920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{989123}}^1$

素因数の和:989154

約数の個数: 64

約数和(自身を含む): 6409523520

約数和(自身を除く): 4391712600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 989123, 1978246, 2967369, 3956492, 4945615, 5934738, 7912984, 9891230, 11869476, 14836845, 16815091, 19782460, 23738952, 29673690, 33630182, 39564920, 50445273, 59347380, 67260364, 84075455, 100890546, 118694760, 134520728, 168150910, 201781092, 252226365, 336301820, 403562184, 504452730, 672603640, 1008905460, 2017810920]

約数ペア:

[(1, 2017810920), (2, 1008905460), (3, 672603640), (4, 504452730), (5, 403562184), (6, 336301820), (8, 252226365), (10, 201781092), (12, 168150910), (15, 134520728), (17, 118694760), (20, 100890546), (24, 84075455), (30, 67260364), (34, 59347380), (40, 50445273), (51, 39564920), (60, 33630182), (68, 29673690), (85, 23738952), (102, 19782460), (120, 16815091), (136, 14836845), (170, 11869476), (204, 9891230), (255, 7912984), (340, 5934738), (408, 4945615), (510, 3956492), (680, 2967369), (1020, 1978246), (2040, 989123)]