64080231440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1359937}}^1$

素因数の和:1360000

約数の個数: 80

約数和(自身を含む): 161887019520

約数和(自身を除く): 97806788080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 1359937, 2719874, 5439748, 6799685, 10879496, 13599370, 21758992, 25838803, 27198740, 42158047, 51677606, 54397480, 84316094, 103355212, 108794960, 129194015, 168632188, 206710424, 210790235, 258388030, 337264376, 413420848, 421580470, 516776060, 674528752, 801002893, 843160940, 1033552120, 1602005786, 1686321880, 2067104240, 3204011572, 3372643760, 4005014465, 6408023144, 8010028930, 12816046288, 16020057860, 32040115720, 64080231440]

約数ペア:

[(1, 64080231440), (2, 32040115720), (4, 16020057860), (5, 12816046288), (8, 8010028930), (10, 6408023144), (16, 4005014465), (19, 3372643760), (20, 3204011572), (31, 2067104240), (38, 1686321880), (40, 1602005786), (62, 1033552120), (76, 843160940), (80, 801002893), (95, 674528752), (124, 516776060), (152, 421580470), (155, 413420848), (190, 337264376), (248, 258388030), (304, 210790235), (310, 206710424), (380, 168632188), (496, 129194015), (589, 108794960), (620, 103355212), (760, 84316094), (1178, 54397480), (1240, 51677606), (1520, 42158047), (2356, 27198740), (2480, 25838803), (2945, 21758992), (4712, 13599370), (5890, 10879496), (9424, 6799685), (11780, 5439748), (23560, 2719874), (47120, 1359937)]