256426128

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4463}}^1$

素因数の和:4506

約数の個数: 160

約数和(自身を含む): 885657600

約数和(自身を除く): 629231472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 27, 28, 36, 38, 42, 48, 54, 56, 57, 63, 72, 76, 84, 108, 112, 114, 126, 133, 144, 152, 168, 171, 189, 216, 228, 252, 266, 304, 336, 342, 378, 399, 432, 456, 504, 513, 532, 684, 756, 798, 912, 1008, 1026, 1064, 1197, 1368, 1512, 1596, 2052, 2128, 2394, 2736, 3024, 3192, 3591, 4104, 4463, 4788, 6384, 7182, 8208, 8926, 9576, 13389, 14364, 17852, 19152, 26778, 28728, 31241, 35704, 40167, 53556, 57456, 62482, 71408, 80334, 84797, 93723, 107112, 120501, 124964, 160668, 169594, 187446, 214224, 241002, 249928, 254391, 281169, 321336, 339188, 374892, 482004, 499856, 508782, 562338, 593579, 642672, 678376, 749784, 763173, 843507, 964008, 1017564, 1124676, 1187158, 1356752, 1499568, 1526346, 1687014, 1780737, 1928016, 2035128, 2249352, 2289519, 2374316, 3052692, 3374028, 3561474, 4070256, 4498704, 4579038, 4748632, 5342211, 6105384, 6748056, 7122948, 9158076, 9497264, 10684422, 12210768, 13496112, 14245896, 16026633, 18316152, 21368844, 28491792, 32053266, 36632304, 42737688, 64106532, 85475376, 128213064, 256426128]

約数ペア:

[(1, 256426128), (2, 128213064), (3, 85475376), (4, 64106532), (6, 42737688), (7, 36632304), (8, 32053266), (9, 28491792), (12, 21368844), (14, 18316152), (16, 16026633), (18, 14245896), (19, 13496112), (21, 12210768), (24, 10684422), (27, 9497264), (28, 9158076), (36, 7122948), (38, 6748056), (42, 6105384), (48, 5342211), (54, 4748632), (56, 4579038), (57, 4498704), (63, 4070256), (72, 3561474), (76, 3374028), (84, 3052692), (108, 2374316), (112, 2289519), (114, 2249352), (126, 2035128), (133, 1928016), (144, 1780737), (152, 1687014), (168, 1526346), (171, 1499568), (189, 1356752), (216, 1187158), (228, 1124676), (252, 1017564), (266, 964008), (304, 843507), (336, 763173), (342, 749784), (378, 678376), (399, 642672), (432, 593579), (456, 562338), (504, 508782), (513, 499856), (532, 482004), (684, 374892), (756, 339188), (798, 321336), (912, 281169), (1008, 254391), (1026, 249928), (1064, 241002), (1197, 214224), (1368, 187446), (1512, 169594), (1596, 160668), (2052, 124964), (2128, 120501), (2394, 107112), (2736, 93723), (3024, 84797), (3192, 80334), (3591, 71408), (4104, 62482), (4463, 57456), (4788, 53556), (6384, 40167), (7182, 35704), (8208, 31241), (8926, 28728), (9576, 26778), (13389, 19152), (14364, 17852)]