1521104880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{20249}}^1$

素因数の和:20578

約数の個数: 80

約数和(自身を含む): 4730724000

約数和(自身を除く): 3209619120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 313, 626, 939, 1252, 1565, 1878, 2504, 3130, 3756, 4695, 5008, 6260, 7512, 9390, 12520, 15024, 18780, 20249, 25040, 37560, 40498, 60747, 75120, 80996, 101245, 121494, 161992, 202490, 242988, 303735, 323984, 404980, 485976, 607470, 809960, 971952, 1214940, 1619920, 2429880, 4859760, 6337937, 12675874, 19013811, 25351748, 31689685, 38027622, 50703496, 63379370, 76055244, 95069055, 101406992, 126758740, 152110488, 190138110, 253517480, 304220976, 380276220, 507034960, 760552440, 1521104880]

約数ペア:

[(1, 1521104880), (2, 760552440), (3, 507034960), (4, 380276220), (5, 304220976), (6, 253517480), (8, 190138110), (10, 152110488), (12, 126758740), (15, 101406992), (16, 95069055), (20, 76055244), (24, 63379370), (30, 50703496), (40, 38027622), (48, 31689685), (60, 25351748), (80, 19013811), (120, 12675874), (240, 6337937), (313, 4859760), (626, 2429880), (939, 1619920), (1252, 1214940), (1565, 971952), (1878, 809960), (2504, 607470), (3130, 485976), (3756, 404980), (4695, 323984), (5008, 303735), (6260, 242988), (7512, 202490), (9390, 161992), (12520, 121494), (15024, 101245), (18780, 80996), (20249, 75120), (25040, 60747), (37560, 40498)]