81780160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3319}}^1$

素因数の和:3354

約数の個数: 112

約数和(自身を含む): 242864640

約数和(自身を除く): 161084480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3319, 3520, 4928, 6160, 6638, 12320, 13276, 16595, 23233, 24640, 26552, 33190, 36509, 46466, 53104, 66380, 73018, 92932, 106208, 116165, 132760, 146036, 182545, 185864, 212416, 232330, 255563, 265520, 292072, 365090, 371728, 464660, 511126, 531040, 584144, 730180, 743456, 929320, 1022252, 1062080, 1168288, 1277815, 1460360, 1486912, 1858640, 2044504, 2336576, 2555630, 2920720, 3717280, 4089008, 5111260, 5841440, 7434560, 8178016, 10222520, 11682880, 16356032, 20445040, 40890080, 81780160]

約数ペア:

[(1, 81780160), (2, 40890080), (4, 20445040), (5, 16356032), (7, 11682880), (8, 10222520), (10, 8178016), (11, 7434560), (14, 5841440), (16, 5111260), (20, 4089008), (22, 3717280), (28, 2920720), (32, 2555630), (35, 2336576), (40, 2044504), (44, 1858640), (55, 1486912), (56, 1460360), (64, 1277815), (70, 1168288), (77, 1062080), (80, 1022252), (88, 929320), (110, 743456), (112, 730180), (140, 584144), (154, 531040), (160, 511126), (176, 464660), (220, 371728), (224, 365090), (280, 292072), (308, 265520), (320, 255563), (352, 232330), (385, 212416), (440, 185864), (448, 182545), (560, 146036), (616, 132760), (704, 116165), (770, 106208), (880, 92932), (1120, 73018), (1232, 66380), (1540, 53104), (1760, 46466), (2240, 36509), (2464, 33190), (3080, 26552), (3319, 24640), (3520, 23233), (4928, 16595), (6160, 13276), (6638, 12320)]