720918144

素因数分解:

$2^7\times 3^4\times {\mathrm{31}}^1\times {\mathrm{2243}}^1$

素因数の和:2300

約数の個数: 160

約数和(自身を含む): 2215635840

約数和(自身を除く): 1494717696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 81, 93, 96, 108, 124, 128, 144, 162, 186, 192, 216, 248, 279, 288, 324, 372, 384, 432, 496, 558, 576, 648, 744, 837, 864, 992, 1116, 1152, 1296, 1488, 1674, 1728, 1984, 2232, 2243, 2511, 2592, 2976, 3348, 3456, 3968, 4464, 4486, 5022, 5184, 5952, 6696, 6729, 8928, 8972, 10044, 10368, 11904, 13392, 13458, 17856, 17944, 20088, 20187, 26784, 26916, 35712, 35888, 40176, 40374, 53568, 53832, 60561, 69533, 71776, 80352, 80748, 107136, 107664, 121122, 139066, 143552, 160704, 161496, 181683, 208599, 215328, 242244, 278132, 287104, 321408, 322992, 363366, 417198, 430656, 484488, 556264, 625797, 645984, 726732, 834396, 861312, 968976, 1112528, 1251594, 1291968, 1453464, 1668792, 1877391, 1937952, 2225056, 2503188, 2583936, 2906928, 3337584, 3754782, 3875904, 4450112, 5006376, 5632173, 5813856, 6675168, 7509564, 7751808, 8900224, 10012752, 11264346, 11627712, 13350336, 15019128, 20025504, 22528692, 23255424, 26700672, 30038256, 40051008, 45057384, 60076512, 80102016, 90114768, 120153024, 180229536, 240306048, 360459072, 720918144]

約数ペア:

[(1, 720918144), (2, 360459072), (3, 240306048), (4, 180229536), (6, 120153024), (8, 90114768), (9, 80102016), (12, 60076512), (16, 45057384), (18, 40051008), (24, 30038256), (27, 26700672), (31, 23255424), (32, 22528692), (36, 20025504), (48, 15019128), (54, 13350336), (62, 11627712), (64, 11264346), (72, 10012752), (81, 8900224), (93, 7751808), (96, 7509564), (108, 6675168), (124, 5813856), (128, 5632173), (144, 5006376), (162, 4450112), (186, 3875904), (192, 3754782), (216, 3337584), (248, 2906928), (279, 2583936), (288, 2503188), (324, 2225056), (372, 1937952), (384, 1877391), (432, 1668792), (496, 1453464), (558, 1291968), (576, 1251594), (648, 1112528), (744, 968976), (837, 861312), (864, 834396), (992, 726732), (1116, 645984), (1152, 625797), (1296, 556264), (1488, 484488), (1674, 430656), (1728, 417198), (1984, 363366), (2232, 322992), (2243, 321408), (2511, 287104), (2592, 278132), (2976, 242244), (3348, 215328), (3456, 208599), (3968, 181683), (4464, 161496), (4486, 160704), (5022, 143552), (5184, 139066), (5952, 121122), (6696, 107664), (6729, 107136), (8928, 80748), (8972, 80352), (10044, 71776), (10368, 69533), (11904, 60561), (13392, 53832), (13458, 53568), (17856, 40374), (17944, 40176), (20088, 35888), (20187, 35712), (26784, 26916)]