278325528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1689

約数の個数: 128

約数和(自身を含む): 816480000

約数和(自身を除く): 538154472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 29, 38, 39, 52, 57, 58, 76, 78, 87, 104, 114, 116, 152, 156, 174, 228, 232, 247, 312, 348, 377, 456, 494, 551, 696, 741, 754, 988, 1102, 1131, 1482, 1508, 1619, 1653, 1976, 2204, 2262, 2964, 3016, 3238, 3306, 4408, 4524, 4857, 5928, 6476, 6612, 7163, 9048, 9714, 12952, 13224, 14326, 19428, 21047, 21489, 28652, 30761, 38856, 42094, 42978, 46951, 57304, 61522, 63141, 84188, 85956, 92283, 93902, 123044, 126282, 140853, 168376, 171912, 184566, 187804, 246088, 252564, 281706, 369132, 375608, 399893, 505128, 563412, 610363, 738264, 799786, 892069, 1126824, 1199679, 1220726, 1599572, 1784138, 1831089, 2399358, 2441452, 2676207, 3199144, 3568276, 3662178, 4798716, 4882904, 5352414, 7136552, 7324356, 9597432, 10704828, 11596897, 14648712, 21409656, 23193794, 34790691, 46387588, 69581382, 92775176, 139162764, 278325528]

約数ペア:

[(1, 278325528), (2, 139162764), (3, 92775176), (4, 69581382), (6, 46387588), (8, 34790691), (12, 23193794), (13, 21409656), (19, 14648712), (24, 11596897), (26, 10704828), (29, 9597432), (38, 7324356), (39, 7136552), (52, 5352414), (57, 4882904), (58, 4798716), (76, 3662178), (78, 3568276), (87, 3199144), (104, 2676207), (114, 2441452), (116, 2399358), (152, 1831089), (156, 1784138), (174, 1599572), (228, 1220726), (232, 1199679), (247, 1126824), (312, 892069), (348, 799786), (377, 738264), (456, 610363), (494, 563412), (551, 505128), (696, 399893), (741, 375608), (754, 369132), (988, 281706), (1102, 252564), (1131, 246088), (1482, 187804), (1508, 184566), (1619, 171912), (1653, 168376), (1976, 140853), (2204, 126282), (2262, 123044), (2964, 93902), (3016, 92283), (3238, 85956), (3306, 84188), (4408, 63141), (4524, 61522), (4857, 57304), (5928, 46951), (6476, 42978), (6612, 42094), (7163, 38856), (9048, 30761), (9714, 28652), (12952, 21489), (13224, 21047), (14326, 19428)]