810217980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31477}}^1$

素因数の和:31516

約数の個数: 144

約数和(自身を含む): 2887413984

約数和(自身を除く): 2077196004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 12870, 25740, 31477, 62954, 94431, 125908, 157385, 188862, 283293, 314770, 346247, 377724, 409201, 472155, 566586, 629540, 692494, 818402, 944310, 1038741, 1133172, 1227603, 1384988, 1416465, 1636804, 1731235, 1888620, 2046005, 2077482, 2455206, 2832930, 3116223, 3462470, 3682809, 4092010, 4154964, 4501211, 4910412, 5193705, 5665860, 6138015, 6232446, 6924940, 7365618, 8184020, 9002422, 10387410, 12276030, 12464892, 13503633, 14731236, 15581115, 18004844, 18414045, 20774820, 22506055, 24552060, 27007266, 31162230, 36828090, 40510899, 45012110, 54014532, 62324460, 67518165, 73656180, 81021798, 90024220, 135036330, 162043596, 202554495, 270072660, 405108990, 810217980]

約数ペア:

[(1, 810217980), (2, 405108990), (3, 270072660), (4, 202554495), (5, 162043596), (6, 135036330), (9, 90024220), (10, 81021798), (11, 73656180), (12, 67518165), (13, 62324460), (15, 54014532), (18, 45012110), (20, 40510899), (22, 36828090), (26, 31162230), (30, 27007266), (33, 24552060), (36, 22506055), (39, 20774820), (44, 18414045), (45, 18004844), (52, 15581115), (55, 14731236), (60, 13503633), (65, 12464892), (66, 12276030), (78, 10387410), (90, 9002422), (99, 8184020), (110, 7365618), (117, 6924940), (130, 6232446), (132, 6138015), (143, 5665860), (156, 5193705), (165, 4910412), (180, 4501211), (195, 4154964), (198, 4092010), (220, 3682809), (234, 3462470), (260, 3116223), (286, 2832930), (330, 2455206), (390, 2077482), (396, 2046005), (429, 1888620), (468, 1731235), (495, 1636804), (572, 1416465), (585, 1384988), (660, 1227603), (715, 1133172), (780, 1038741), (858, 944310), (990, 818402), (1170, 692494), (1287, 629540), (1430, 566586), (1716, 472155), (1980, 409201), (2145, 377724), (2340, 346247), (2574, 314770), (2860, 283293), (4290, 188862), (5148, 157385), (6435, 125908), (8580, 94431), (12870, 62954), (25740, 31477)]