180688480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1261

約数の個数: 144

約数和(自身を含む): 523136880

約数和(自身を除く): 342448400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1213, 1330, 1520, 1568, 1862, 1960, 2128, 2426, 2660, 3040, 3724, 3920, 4256, 4655, 4852, 5320, 6065, 7448, 7840, 8491, 9310, 9704, 10640, 12130, 14896, 16982, 18620, 19408, 21280, 23047, 24260, 29792, 33964, 37240, 38816, 42455, 46094, 48520, 59437, 67928, 74480, 84910, 92188, 97040, 115235, 118874, 135856, 148960, 161329, 169820, 184376, 194080, 230470, 237748, 271712, 297185, 322658, 339640, 368752, 460940, 475496, 594370, 645316, 679280, 737504, 806645, 921880, 950992, 1129303, 1188740, 1290632, 1358560, 1613290, 1843760, 1901984, 2258606, 2377480, 2581264, 3226580, 3687520, 4517212, 4754960, 5162528, 5646515, 6453160, 9034424, 9509920, 11293030, 12906320, 18068848, 22586060, 25812640, 36137696, 45172120, 90344240, 180688480]

約数ペア:

[(1, 180688480), (2, 90344240), (4, 45172120), (5, 36137696), (7, 25812640), (8, 22586060), (10, 18068848), (14, 12906320), (16, 11293030), (19, 9509920), (20, 9034424), (28, 6453160), (32, 5646515), (35, 5162528), (38, 4754960), (40, 4517212), (49, 3687520), (56, 3226580), (70, 2581264), (76, 2377480), (80, 2258606), (95, 1901984), (98, 1843760), (112, 1613290), (133, 1358560), (140, 1290632), (152, 1188740), (160, 1129303), (190, 950992), (196, 921880), (224, 806645), (245, 737504), (266, 679280), (280, 645316), (304, 594370), (380, 475496), (392, 460940), (490, 368752), (532, 339640), (560, 322658), (608, 297185), (665, 271712), (760, 237748), (784, 230470), (931, 194080), (980, 184376), (1064, 169820), (1120, 161329), (1213, 148960), (1330, 135856), (1520, 118874), (1568, 115235), (1862, 97040), (1960, 92188), (2128, 84910), (2426, 74480), (2660, 67928), (3040, 59437), (3724, 48520), (3920, 46094), (4256, 42455), (4655, 38816), (4852, 37240), (5320, 33964), (6065, 29792), (7448, 24260), (7840, 23047), (8491, 21280), (9310, 19408), (9704, 18620), (10640, 16982), (12130, 14896)]