20917268160

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{298477}}^1$

素因数の和:298570

約数の個数: 112

約数和(自身を含む): 67322309856

約数和(自身を除く): 46405041696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 320, 365, 438, 480, 584, 730, 876, 960, 1095, 1168, 1460, 1752, 2190, 2336, 2920, 3504, 4380, 4672, 5840, 7008, 8760, 11680, 14016, 17520, 23360, 35040, 70080, 298477, 596954, 895431, 1193908, 1492385, 1790862, 2387816, 2984770, 3581724, 4477155, 4775632, 5969540, 7163448, 8954310, 9551264, 11939080, 14326896, 17908620, 19102528, 21788821, 23878160, 28653792, 35817240, 43577642, 47756320, 57307584, 65366463, 71634480, 87155284, 95512640, 108944105, 130732926, 143268960, 174310568, 217888210, 261465852, 286537920, 326832315, 348621136, 435776420, 522931704, 653664630, 697242272, 871552840, 1045863408, 1307329260, 1394484544, 1743105680, 2091726816, 2614658520, 3486211360, 4183453632, 5229317040, 6972422720, 10458634080, 20917268160]

約数ペア:

[(1, 20917268160), (2, 10458634080), (3, 6972422720), (4, 5229317040), (5, 4183453632), (6, 3486211360), (8, 2614658520), (10, 2091726816), (12, 1743105680), (15, 1394484544), (16, 1307329260), (20, 1045863408), (24, 871552840), (30, 697242272), (32, 653664630), (40, 522931704), (48, 435776420), (60, 348621136), (64, 326832315), (73, 286537920), (80, 261465852), (96, 217888210), (120, 174310568), (146, 143268960), (160, 130732926), (192, 108944105), (219, 95512640), (240, 87155284), (292, 71634480), (320, 65366463), (365, 57307584), (438, 47756320), (480, 43577642), (584, 35817240), (730, 28653792), (876, 23878160), (960, 21788821), (1095, 19102528), (1168, 17908620), (1460, 14326896), (1752, 11939080), (2190, 9551264), (2336, 8954310), (2920, 7163448), (3504, 5969540), (4380, 4775632), (4672, 4477155), (5840, 3581724), (7008, 2984770), (8760, 2387816), (11680, 1790862), (14016, 1492385), (17520, 1193908), (23360, 895431), (35040, 596954), (70080, 298477)]