721295328

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1601}}^1$

素因数の和:1665

約数の個数: 144

約数和(自身を含む): 2153357136

約数和(自身を除く): 1432061808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 76, 78, 96, 104, 114, 152, 156, 208, 228, 247, 304, 312, 361, 416, 456, 494, 608, 624, 722, 741, 912, 988, 1083, 1248, 1444, 1482, 1601, 1824, 1976, 2166, 2888, 2964, 3202, 3952, 4332, 4693, 4803, 5776, 5928, 6404, 7904, 8664, 9386, 9606, 11552, 11856, 12808, 14079, 17328, 18772, 19212, 20813, 23712, 25616, 28158, 30419, 34656, 37544, 38424, 41626, 51232, 56316, 60838, 62439, 75088, 76848, 83252, 91257, 112632, 121676, 124878, 150176, 153696, 166504, 182514, 225264, 243352, 249756, 333008, 365028, 395447, 450528, 486704, 499512, 577961, 666016, 730056, 790894, 973408, 999024, 1155922, 1186341, 1460112, 1581788, 1733883, 1998048, 2311844, 2372682, 2920224, 3163576, 3467766, 4623688, 4745364, 6327152, 6935532, 7513493, 9247376, 9490728, 12654304, 13871064, 15026986, 18494752, 18981456, 22540479, 27742128, 30053972, 37962912, 45080958, 55484256, 60107944, 90161916, 120215888, 180323832, 240431776, 360647664, 721295328]

約数ペア:

[(1, 721295328), (2, 360647664), (3, 240431776), (4, 180323832), (6, 120215888), (8, 90161916), (12, 60107944), (13, 55484256), (16, 45080958), (19, 37962912), (24, 30053972), (26, 27742128), (32, 22540479), (38, 18981456), (39, 18494752), (48, 15026986), (52, 13871064), (57, 12654304), (76, 9490728), (78, 9247376), (96, 7513493), (104, 6935532), (114, 6327152), (152, 4745364), (156, 4623688), (208, 3467766), (228, 3163576), (247, 2920224), (304, 2372682), (312, 2311844), (361, 1998048), (416, 1733883), (456, 1581788), (494, 1460112), (608, 1186341), (624, 1155922), (722, 999024), (741, 973408), (912, 790894), (988, 730056), (1083, 666016), (1248, 577961), (1444, 499512), (1482, 486704), (1601, 450528), (1824, 395447), (1976, 365028), (2166, 333008), (2888, 249756), (2964, 243352), (3202, 225264), (3952, 182514), (4332, 166504), (4693, 153696), (4803, 150176), (5776, 124878), (5928, 121676), (6404, 112632), (7904, 91257), (8664, 83252), (9386, 76848), (9606, 75088), (11552, 62439), (11856, 60838), (12808, 56316), (14079, 51232), (17328, 41626), (18772, 38424), (19212, 37544), (20813, 34656), (23712, 30419), (25616, 28158)]