84207120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20639}}^1$

素因数の和:20672

約数の個数: 80

約数和(自身を含む): 276410880

約数和(自身を除く): 192203760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 20639, 41278, 61917, 82556, 103195, 123834, 165112, 206390, 247668, 309585, 330224, 350863, 412780, 495336, 619170, 701726, 825560, 990672, 1052589, 1238340, 1403452, 1651120, 1754315, 2105178, 2476680, 2806904, 3508630, 4210356, 4953360, 5262945, 5613808, 7017260, 8420712, 10525890, 14034520, 16841424, 21051780, 28069040, 42103560, 84207120]

約数ペア:

[(1, 84207120), (2, 42103560), (3, 28069040), (4, 21051780), (5, 16841424), (6, 14034520), (8, 10525890), (10, 8420712), (12, 7017260), (15, 5613808), (16, 5262945), (17, 4953360), (20, 4210356), (24, 3508630), (30, 2806904), (34, 2476680), (40, 2105178), (48, 1754315), (51, 1651120), (60, 1403452), (68, 1238340), (80, 1052589), (85, 990672), (102, 825560), (120, 701726), (136, 619170), (170, 495336), (204, 412780), (240, 350863), (255, 330224), (272, 309585), (340, 247668), (408, 206390), (510, 165112), (680, 123834), (816, 103195), (1020, 82556), (1360, 61917), (2040, 41278), (4080, 20639)]