120273920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 132

約数和(自身を含む): 314664840

約数和(自身を除く): 194390920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 139, 160, 169, 208, 256, 260, 278, 320, 338, 416, 512, 520, 556, 640, 676, 695, 832, 845, 1024, 1040, 1112, 1280, 1352, 1390, 1664, 1690, 1807, 2080, 2224, 2560, 2704, 2780, 3328, 3380, 3614, 4160, 4448, 5120, 5408, 5560, 6656, 6760, 7228, 8320, 8896, 9035, 10816, 11120, 13312, 13520, 14456, 16640, 17792, 18070, 21632, 22240, 23491, 27040, 28912, 33280, 35584, 36140, 43264, 44480, 46982, 54080, 57824, 66560, 71168, 72280, 86528, 88960, 93964, 108160, 115648, 117455, 142336, 144560, 173056, 177920, 187928, 216320, 231296, 234910, 289120, 355840, 375856, 432640, 462592, 469820, 578240, 711680, 751712, 865280, 925184, 939640, 1156480, 1503424, 1850368, 1879280, 2312960, 3006848, 3758560, 4625920, 6013696, 7517120, 9251840, 12027392, 15034240, 24054784, 30068480, 60136960, 120273920]

約数ペア:

[(1, 120273920), (2, 60136960), (4, 30068480), (5, 24054784), (8, 15034240), (10, 12027392), (13, 9251840), (16, 7517120), (20, 6013696), (26, 4625920), (32, 3758560), (40, 3006848), (52, 2312960), (64, 1879280), (65, 1850368), (80, 1503424), (104, 1156480), (128, 939640), (130, 925184), (139, 865280), (160, 751712), (169, 711680), (208, 578240), (256, 469820), (260, 462592), (278, 432640), (320, 375856), (338, 355840), (416, 289120), (512, 234910), (520, 231296), (556, 216320), (640, 187928), (676, 177920), (695, 173056), (832, 144560), (845, 142336), (1024, 117455), (1040, 115648), (1112, 108160), (1280, 93964), (1352, 88960), (1390, 86528), (1664, 72280), (1690, 71168), (1807, 66560), (2080, 57824), (2224, 54080), (2560, 46982), (2704, 44480), (2780, 43264), (3328, 36140), (3380, 35584), (3614, 33280), (4160, 28912), (4448, 27040), (5120, 23491), (5408, 22240), (5560, 21632), (6656, 18070), (6760, 17792), (7228, 16640), (8320, 14456), (8896, 13520), (9035, 13312), (10816, 11120)]