128543436

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 180

約数和(自身を含む): 407901648

約数和(自身を除く): 279358212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 157, 162, 171, 189, 228, 252, 266, 314, 324, 342, 361, 378, 399, 471, 513, 532, 567, 628, 684, 722, 756, 798, 942, 1026, 1083, 1099, 1134, 1197, 1413, 1444, 1539, 1596, 1884, 2052, 2166, 2198, 2268, 2394, 2527, 2826, 2983, 3078, 3249, 3297, 3591, 4239, 4332, 4396, 4788, 5054, 5652, 5966, 6156, 6498, 6594, 7182, 7581, 8478, 8949, 9747, 9891, 10108, 10773, 11932, 12717, 12996, 13188, 14364, 15162, 16956, 17898, 19494, 19782, 20881, 21546, 22743, 25434, 26847, 29241, 29673, 30324, 35796, 38988, 39564, 41762, 43092, 45486, 50868, 53694, 56677, 58482, 59346, 62643, 68229, 80541, 83524, 89019, 90972, 107388, 113354, 116964, 118692, 125286, 136458, 161082, 170031, 178038, 187929, 204687, 226708, 241623, 250572, 272916, 322164, 340062, 356076, 375858, 396739, 409374, 483246, 510093, 563787, 680124, 751716, 793478, 818748, 966492, 1020186, 1127574, 1190217, 1530279, 1586956, 1691361, 2040372, 2255148, 2380434, 3060558, 3382722, 3570651, 4590837, 4760868, 6121116, 6765444, 7141302, 9181674, 10711953, 14282604, 18363348, 21423906, 32135859, 42847812, 64271718, 128543436]

約数ペア:

[(1, 128543436), (2, 64271718), (3, 42847812), (4, 32135859), (6, 21423906), (7, 18363348), (9, 14282604), (12, 10711953), (14, 9181674), (18, 7141302), (19, 6765444), (21, 6121116), (27, 4760868), (28, 4590837), (36, 3570651), (38, 3382722), (42, 3060558), (54, 2380434), (57, 2255148), (63, 2040372), (76, 1691361), (81, 1586956), (84, 1530279), (108, 1190217), (114, 1127574), (126, 1020186), (133, 966492), (157, 818748), (162, 793478), (171, 751716), (189, 680124), (228, 563787), (252, 510093), (266, 483246), (314, 409374), (324, 396739), (342, 375858), (361, 356076), (378, 340062), (399, 322164), (471, 272916), (513, 250572), (532, 241623), (567, 226708), (628, 204687), (684, 187929), (722, 178038), (756, 170031), (798, 161082), (942, 136458), (1026, 125286), (1083, 118692), (1099, 116964), (1134, 113354), (1197, 107388), (1413, 90972), (1444, 89019), (1539, 83524), (1596, 80541), (1884, 68229), (2052, 62643), (2166, 59346), (2198, 58482), (2268, 56677), (2394, 53694), (2527, 50868), (2826, 45486), (2983, 43092), (3078, 41762), (3249, 39564), (3297, 38988), (3591, 35796), (4239, 30324), (4332, 29673), (4396, 29241), (4788, 26847), (5054, 25434), (5652, 22743), (5966, 21546), (6156, 20881), (6498, 19782), (6594, 19494), (7182, 17898), (7581, 16956), (8478, 15162), (8949, 14364), (9747, 13188), (9891, 12996), (10108, 12717), (10773, 11932)]