255418590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:362

約数の個数: 128

約数和(自身を含む): 722239488

約数和(自身を除く): 466820898

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 127, 157, 183, 210, 254, 305, 314, 366, 381, 427, 471, 610, 635, 762, 785, 854, 889, 915, 942, 1099, 1270, 1281, 1570, 1778, 1830, 1905, 2135, 2198, 2355, 2562, 2667, 3297, 3810, 4270, 4445, 4710, 5334, 5495, 6405, 6594, 7747, 8890, 9577, 10990, 12810, 13335, 15494, 16485, 19154, 19939, 23241, 26670, 28731, 32970, 38735, 39878, 46482, 47885, 54229, 57462, 59817, 67039, 77470, 95770, 99695, 108458, 116205, 119634, 134078, 139573, 143655, 162687, 199390, 201117, 232410, 271145, 279146, 287310, 299085, 325374, 335195, 402234, 418719, 542290, 598170, 670390, 697865, 813435, 837438, 1005585, 1216279, 1395730, 1626870, 2011170, 2093595, 2432558, 3648837, 4187190, 6081395, 7297674, 8513953, 12162790, 17027906, 18244185, 25541859, 36488370, 42569765, 51083718, 85139530, 127709295, 255418590]

約数ペア:

[(1, 255418590), (2, 127709295), (3, 85139530), (5, 51083718), (6, 42569765), (7, 36488370), (10, 25541859), (14, 18244185), (15, 17027906), (21, 12162790), (30, 8513953), (35, 7297674), (42, 6081395), (61, 4187190), (70, 3648837), (105, 2432558), (122, 2093595), (127, 2011170), (157, 1626870), (183, 1395730), (210, 1216279), (254, 1005585), (305, 837438), (314, 813435), (366, 697865), (381, 670390), (427, 598170), (471, 542290), (610, 418719), (635, 402234), (762, 335195), (785, 325374), (854, 299085), (889, 287310), (915, 279146), (942, 271145), (1099, 232410), (1270, 201117), (1281, 199390), (1570, 162687), (1778, 143655), (1830, 139573), (1905, 134078), (2135, 119634), (2198, 116205), (2355, 108458), (2562, 99695), (2667, 95770), (3297, 77470), (3810, 67039), (4270, 59817), (4445, 57462), (4710, 54229), (5334, 47885), (5495, 46482), (6405, 39878), (6594, 38735), (7747, 32970), (8890, 28731), (9577, 26670), (10990, 23241), (12810, 19939), (13335, 19154), (15494, 16485)]