256431672

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^2$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 845292240

約数和(自身を除く): 588860568

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 173, 204, 238, 252, 306, 346, 357, 408, 476, 504, 519, 612, 692, 714, 952, 1038, 1071, 1211, 1224, 1384, 1428, 1557, 2076, 2142, 2422, 2856, 2941, 3114, 3633, 4152, 4284, 4844, 5882, 6228, 7266, 8568, 8823, 9688, 10899, 11764, 12456, 14532, 17646, 20587, 21798, 23528, 26469, 29064, 29929, 35292, 41174, 43596, 52938, 59858, 61761, 70584, 82348, 87192, 89787, 105876, 119716, 123522, 164696, 179574, 185283, 209503, 211752, 239432, 247044, 269361, 359148, 370566, 419006, 494088, 508793, 538722, 628509, 718296, 741132, 838012, 1017586, 1077444, 1257018, 1482264, 1526379, 1676024, 1885527, 2035172, 2154888, 2514036, 3052758, 3561551, 3771054, 4070344, 4579137, 5028072, 6105516, 7123102, 7542108, 9158274, 10684653, 12211032, 14246204, 15084216, 18316548, 21369306, 28492408, 32053959, 36633096, 42738612, 64107918, 85477224, 128215836, 256431672]

約数ペア:

[(1, 256431672), (2, 128215836), (3, 85477224), (4, 64107918), (6, 42738612), (7, 36633096), (8, 32053959), (9, 28492408), (12, 21369306), (14, 18316548), (17, 15084216), (18, 14246204), (21, 12211032), (24, 10684653), (28, 9158274), (34, 7542108), (36, 7123102), (42, 6105516), (51, 5028072), (56, 4579137), (63, 4070344), (68, 3771054), (72, 3561551), (84, 3052758), (102, 2514036), (119, 2154888), (126, 2035172), (136, 1885527), (153, 1676024), (168, 1526379), (173, 1482264), (204, 1257018), (238, 1077444), (252, 1017586), (306, 838012), (346, 741132), (357, 718296), (408, 628509), (476, 538722), (504, 508793), (519, 494088), (612, 419006), (692, 370566), (714, 359148), (952, 269361), (1038, 247044), (1071, 239432), (1211, 211752), (1224, 209503), (1384, 185283), (1428, 179574), (1557, 164696), (2076, 123522), (2142, 119716), (2422, 105876), (2856, 89787), (2941, 87192), (3114, 82348), (3633, 70584), (4152, 61761), (4284, 59858), (4844, 52938), (5882, 43596), (6228, 41174), (7266, 35292), (8568, 29929), (8823, 29064), (9688, 26469), (10899, 23528), (11764, 21798), (12456, 20587), (14532, 17646)]