8520231440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{323717}}^1$

素因数の和:323784

約数の個数: 80

約数和(自身を含む): 23121234432

約数和(自身を除く): 14601002992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 5264, 6580, 13160, 26320, 323717, 647434, 1294868, 1618585, 2266019, 2589736, 3237170, 4532038, 5179472, 6474340, 9064076, 11330095, 12948680, 15214699, 18128152, 22660190, 25897360, 30429398, 36256304, 45320380, 60858796, 76073495, 90640760, 106502893, 121717592, 152146990, 181281520, 213005786, 243435184, 304293980, 426011572, 532514465, 608587960, 852023144, 1065028930, 1217175920, 1704046288, 2130057860, 4260115720, 8520231440]

約数ペア:

[(1, 8520231440), (2, 4260115720), (4, 2130057860), (5, 1704046288), (7, 1217175920), (8, 1065028930), (10, 852023144), (14, 608587960), (16, 532514465), (20, 426011572), (28, 304293980), (35, 243435184), (40, 213005786), (47, 181281520), (56, 152146990), (70, 121717592), (80, 106502893), (94, 90640760), (112, 76073495), (140, 60858796), (188, 45320380), (235, 36256304), (280, 30429398), (329, 25897360), (376, 22660190), (470, 18128152), (560, 15214699), (658, 12948680), (752, 11330095), (940, 9064076), (1316, 6474340), (1645, 5179472), (1880, 4532038), (2632, 3237170), (3290, 2589736), (3760, 2266019), (5264, 1618585), (6580, 1294868), (13160, 647434), (26320, 323717)]