256159176

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2213}}^1$

素因数の和:2295

約数の個数: 128

約数和(自身を含む): 803416320

約数和(自身を除く): 547257144

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 53, 56, 78, 84, 91, 104, 106, 156, 159, 168, 182, 212, 273, 312, 318, 364, 371, 424, 546, 636, 689, 728, 742, 1092, 1113, 1272, 1378, 1484, 2067, 2184, 2213, 2226, 2756, 2968, 4134, 4426, 4452, 4823, 5512, 6639, 8268, 8852, 8904, 9646, 13278, 14469, 15491, 16536, 17704, 19292, 26556, 28769, 28938, 30982, 38584, 46473, 53112, 57538, 57876, 61964, 86307, 92946, 115076, 115752, 117289, 123928, 172614, 185892, 201383, 230152, 234578, 345228, 351867, 371784, 402766, 469156, 604149, 690456, 703734, 805532, 821023, 938312, 1208298, 1407468, 1524757, 1611064, 1642046, 2416596, 2463069, 2814936, 3049514, 3284092, 4574271, 4833192, 4926138, 6099028, 6568184, 9148542, 9852276, 10673299, 12198056, 18297084, 19704552, 21346598, 32019897, 36594168, 42693196, 64039794, 85386392, 128079588, 256159176]

約数ペア:

[(1, 256159176), (2, 128079588), (3, 85386392), (4, 64039794), (6, 42693196), (7, 36594168), (8, 32019897), (12, 21346598), (13, 19704552), (14, 18297084), (21, 12198056), (24, 10673299), (26, 9852276), (28, 9148542), (39, 6568184), (42, 6099028), (52, 4926138), (53, 4833192), (56, 4574271), (78, 3284092), (84, 3049514), (91, 2814936), (104, 2463069), (106, 2416596), (156, 1642046), (159, 1611064), (168, 1524757), (182, 1407468), (212, 1208298), (273, 938312), (312, 821023), (318, 805532), (364, 703734), (371, 690456), (424, 604149), (546, 469156), (636, 402766), (689, 371784), (728, 351867), (742, 345228), (1092, 234578), (1113, 230152), (1272, 201383), (1378, 185892), (1484, 172614), (2067, 123928), (2184, 117289), (2213, 115752), (2226, 115076), (2756, 92946), (2968, 86307), (4134, 61964), (4426, 57876), (4452, 57538), (4823, 53112), (5512, 46473), (6639, 38584), (8268, 30982), (8852, 28938), (8904, 28769), (9646, 26556), (13278, 19292), (14469, 17704), (15491, 16536)]