145713920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 388523520

約数和(自身を除く): 242809600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 79, 80, 88, 110, 128, 131, 158, 160, 176, 220, 256, 262, 316, 320, 352, 395, 440, 524, 632, 640, 655, 704, 790, 869, 880, 1048, 1264, 1280, 1310, 1408, 1441, 1580, 1738, 1760, 2096, 2528, 2620, 2816, 2882, 3160, 3476, 3520, 4192, 4345, 5056, 5240, 5764, 6320, 6952, 7040, 7205, 8384, 8690, 10112, 10349, 10480, 11528, 12640, 13904, 14080, 14410, 16768, 17380, 20224, 20698, 20960, 23056, 25280, 27808, 28820, 33536, 34760, 41396, 41920, 46112, 50560, 51745, 55616, 57640, 69520, 82792, 83840, 92224, 101120, 103490, 111232, 113839, 115280, 139040, 165584, 167680, 184448, 206980, 222464, 227678, 230560, 278080, 331168, 368896, 413960, 455356, 461120, 556160, 569195, 662336, 827920, 910712, 922240, 1112320, 1138390, 1324672, 1655840, 1821424, 1844480, 2276780, 2649344, 3311680, 3642848, 4553560, 6623360, 7285696, 9107120, 13246720, 14571392, 18214240, 29142784, 36428480, 72856960, 145713920]

約数ペア:

[(1, 145713920), (2, 72856960), (4, 36428480), (5, 29142784), (8, 18214240), (10, 14571392), (11, 13246720), (16, 9107120), (20, 7285696), (22, 6623360), (32, 4553560), (40, 3642848), (44, 3311680), (55, 2649344), (64, 2276780), (79, 1844480), (80, 1821424), (88, 1655840), (110, 1324672), (128, 1138390), (131, 1112320), (158, 922240), (160, 910712), (176, 827920), (220, 662336), (256, 569195), (262, 556160), (316, 461120), (320, 455356), (352, 413960), (395, 368896), (440, 331168), (524, 278080), (632, 230560), (640, 227678), (655, 222464), (704, 206980), (790, 184448), (869, 167680), (880, 165584), (1048, 139040), (1264, 115280), (1280, 113839), (1310, 111232), (1408, 103490), (1441, 101120), (1580, 92224), (1738, 83840), (1760, 82792), (2096, 69520), (2528, 57640), (2620, 55616), (2816, 51745), (2882, 50560), (3160, 46112), (3476, 41920), (3520, 41396), (4192, 34760), (4345, 33536), (5056, 28820), (5240, 27808), (5764, 25280), (6320, 23056), (6952, 20960), (7040, 20698), (7205, 20224), (8384, 17380), (8690, 16768), (10112, 14410), (10349, 14080), (10480, 13904), (11528, 12640)]