144787720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1679

約数の個数: 128

約数和(自身を含む): 420422400

約数和(自身を除く): 275634680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 280, 290, 308, 319, 385, 406, 440, 580, 616, 638, 770, 812, 1015, 1160, 1276, 1540, 1595, 1621, 1624, 2030, 2233, 2552, 3080, 3190, 3242, 4060, 4466, 6380, 6484, 8105, 8120, 8932, 11165, 11347, 12760, 12968, 16210, 17831, 17864, 22330, 22694, 32420, 35662, 44660, 45388, 47009, 56735, 64840, 71324, 89155, 89320, 90776, 94018, 113470, 124817, 142648, 178310, 188036, 226940, 235045, 249634, 329063, 356620, 376072, 453880, 470090, 499268, 517099, 624085, 658126, 713240, 940180, 998536, 1034198, 1248170, 1316252, 1645315, 1880360, 2068396, 2496340, 2585495, 2632504, 3290630, 3619693, 4136792, 4992680, 5170990, 6581260, 7239386, 10341980, 13162520, 14478772, 18098465, 20683960, 28957544, 36196930, 72393860, 144787720]

約数ペア:

[(1, 144787720), (2, 72393860), (4, 36196930), (5, 28957544), (7, 20683960), (8, 18098465), (10, 14478772), (11, 13162520), (14, 10341980), (20, 7239386), (22, 6581260), (28, 5170990), (29, 4992680), (35, 4136792), (40, 3619693), (44, 3290630), (55, 2632504), (56, 2585495), (58, 2496340), (70, 2068396), (77, 1880360), (88, 1645315), (110, 1316252), (116, 1248170), (140, 1034198), (145, 998536), (154, 940180), (203, 713240), (220, 658126), (232, 624085), (280, 517099), (290, 499268), (308, 470090), (319, 453880), (385, 376072), (406, 356620), (440, 329063), (580, 249634), (616, 235045), (638, 226940), (770, 188036), (812, 178310), (1015, 142648), (1160, 124817), (1276, 113470), (1540, 94018), (1595, 90776), (1621, 89320), (1624, 89155), (2030, 71324), (2233, 64840), (2552, 56735), (3080, 47009), (3190, 45388), (3242, 44660), (4060, 35662), (4466, 32420), (6380, 22694), (6484, 22330), (8105, 17864), (8120, 17831), (8932, 16210), (11165, 12968), (11347, 12760)]