660692221520

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1\times {\mathrm{130199}}^1$

素因数の和:130812

約数の個数: 80

約数和(自身を含む): 1550675750400

約数和(自身を除く): 889983528880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 463, 548, 685, 926, 1096, 1370, 1852, 2192, 2315, 2740, 3704, 4630, 5480, 7408, 9260, 10960, 18520, 37040, 63431, 126862, 130199, 253724, 260398, 317155, 507448, 520796, 634310, 650995, 1014896, 1041592, 1268620, 1301990, 2083184, 2537240, 2603980, 5074480, 5207960, 10415920, 17837263, 35674526, 60282137, 71349052, 89186315, 120564274, 142698104, 178372630, 241128548, 285396208, 301410685, 356745260, 482257096, 602821370, 713490520, 964514192, 1205642740, 1426981040, 2411285480, 4822570960, 8258652769, 16517305538, 33034611076, 41293263845, 66069222152, 82586527690, 132138444304, 165173055380, 330346110760, 660692221520]

約数ペア:

[(1, 660692221520), (2, 330346110760), (4, 165173055380), (5, 132138444304), (8, 82586527690), (10, 66069222152), (16, 41293263845), (20, 33034611076), (40, 16517305538), (80, 8258652769), (137, 4822570960), (274, 2411285480), (463, 1426981040), (548, 1205642740), (685, 964514192), (926, 713490520), (1096, 602821370), (1370, 482257096), (1852, 356745260), (2192, 301410685), (2315, 285396208), (2740, 241128548), (3704, 178372630), (4630, 142698104), (5480, 120564274), (7408, 89186315), (9260, 71349052), (10960, 60282137), (18520, 35674526), (37040, 17837263), (63431, 10415920), (126862, 5207960), (130199, 5074480), (253724, 2603980), (260398, 2537240), (317155, 2083184), (507448, 1301990), (520796, 1268620), (634310, 1041592), (650995, 1014896)]