321716512

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 144

約数和(自身を含む): 752613120

約数和(自身を除く): 430896608

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 101, 104, 124, 152, 169, 202, 208, 247, 248, 304, 338, 403, 404, 416, 494, 496, 589, 608, 676, 806, 808, 988, 992, 1178, 1313, 1352, 1612, 1616, 1919, 1976, 2356, 2626, 2704, 3131, 3211, 3224, 3232, 3838, 3952, 4712, 5239, 5252, 5408, 6262, 6422, 6448, 7657, 7676, 7904, 9424, 10478, 10504, 12524, 12844, 12896, 15314, 15352, 17069, 18848, 20956, 21008, 24947, 25048, 25688, 30628, 30704, 34138, 40703, 41912, 42016, 49894, 50096, 51376, 59489, 61256, 61408, 68276, 81406, 83824, 99541, 99788, 100192, 102752, 118978, 122512, 136552, 162812, 167648, 199082, 199576, 237956, 245024, 273104, 324311, 325624, 398164, 399152, 475912, 529139, 546208, 648622, 651248, 773357, 796328, 798304, 951824, 1058278, 1297244, 1302496, 1546714, 1592656, 1903648, 2116556, 2594488, 3093428, 3185312, 4233112, 5188976, 6186856, 8466224, 10053641, 10377952, 12373712, 16932448, 20107282, 24747424, 40214564, 80429128, 160858256, 321716512]

約数ペア:

[(1, 321716512), (2, 160858256), (4, 80429128), (8, 40214564), (13, 24747424), (16, 20107282), (19, 16932448), (26, 12373712), (31, 10377952), (32, 10053641), (38, 8466224), (52, 6186856), (62, 5188976), (76, 4233112), (101, 3185312), (104, 3093428), (124, 2594488), (152, 2116556), (169, 1903648), (202, 1592656), (208, 1546714), (247, 1302496), (248, 1297244), (304, 1058278), (338, 951824), (403, 798304), (404, 796328), (416, 773357), (494, 651248), (496, 648622), (589, 546208), (608, 529139), (676, 475912), (806, 399152), (808, 398164), (988, 325624), (992, 324311), (1178, 273104), (1313, 245024), (1352, 237956), (1612, 199576), (1616, 199082), (1919, 167648), (1976, 162812), (2356, 136552), (2626, 122512), (2704, 118978), (3131, 102752), (3211, 100192), (3224, 99788), (3232, 99541), (3838, 83824), (3952, 81406), (4712, 68276), (5239, 61408), (5252, 61256), (5408, 59489), (6262, 51376), (6422, 50096), (6448, 49894), (7657, 42016), (7676, 41912), (7904, 40703), (9424, 34138), (10478, 30704), (10504, 30628), (12524, 25688), (12844, 25048), (12896, 24947), (15314, 21008), (15352, 20956), (17069, 18848)]