721966440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14929}}^1$

素因数の和:14987

約数の個数: 128

約数和(自身を含む): 2407910400

約数和(自身を除く): 1685943960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 6045, 8060, 9672, 12090, 14929, 16120, 24180, 29858, 44787, 48360, 59716, 74645, 89574, 119432, 149290, 179148, 194077, 223935, 298580, 358296, 388154, 447870, 462799, 582231, 597160, 776308, 895740, 925598, 970385, 1164462, 1388397, 1552616, 1791480, 1851196, 1940770, 2313995, 2328924, 2776794, 2911155, 3702392, 3881540, 4627990, 4657848, 5553588, 5822310, 6016387, 6941985, 7763080, 9255980, 11107176, 11644620, 12032774, 13883970, 18049161, 18511960, 23289240, 24065548, 27767940, 30081935, 36098322, 48131096, 55535880, 60163870, 72196644, 90245805, 120327740, 144393288, 180491610, 240655480, 360983220, 721966440]

約数ペア:

[(1, 721966440), (2, 360983220), (3, 240655480), (4, 180491610), (5, 144393288), (6, 120327740), (8, 90245805), (10, 72196644), (12, 60163870), (13, 55535880), (15, 48131096), (20, 36098322), (24, 30081935), (26, 27767940), (30, 24065548), (31, 23289240), (39, 18511960), (40, 18049161), (52, 13883970), (60, 12032774), (62, 11644620), (65, 11107176), (78, 9255980), (93, 7763080), (104, 6941985), (120, 6016387), (124, 5822310), (130, 5553588), (155, 4657848), (156, 4627990), (186, 3881540), (195, 3702392), (248, 2911155), (260, 2776794), (310, 2328924), (312, 2313995), (372, 1940770), (390, 1851196), (403, 1791480), (465, 1552616), (520, 1388397), (620, 1164462), (744, 970385), (780, 925598), (806, 895740), (930, 776308), (1209, 597160), (1240, 582231), (1560, 462799), (1612, 447870), (1860, 388154), (2015, 358296), (2418, 298580), (3224, 223935), (3720, 194077), (4030, 179148), (4836, 149290), (6045, 119432), (8060, 89574), (9672, 74645), (12090, 59716), (14929, 48360), (16120, 44787), (24180, 29858)]