280412760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21839}}^1$

素因数の和:21960

約数の個数: 64

約数和(自身を含む): 849139200

約数和(自身を除く): 568726440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6420, 12840, 21839, 43678, 65517, 87356, 109195, 131034, 174712, 218390, 262068, 327585, 436780, 524136, 655170, 873560, 1310340, 2336773, 2620680, 4673546, 7010319, 9347092, 11683865, 14020638, 18694184, 23367730, 28041276, 35051595, 46735460, 56082552, 70103190, 93470920, 140206380, 280412760]

約数ペア:

[(1, 280412760), (2, 140206380), (3, 93470920), (4, 70103190), (5, 56082552), (6, 46735460), (8, 35051595), (10, 28041276), (12, 23367730), (15, 18694184), (20, 14020638), (24, 11683865), (30, 9347092), (40, 7010319), (60, 4673546), (107, 2620680), (120, 2336773), (214, 1310340), (321, 873560), (428, 655170), (535, 524136), (642, 436780), (856, 327585), (1070, 262068), (1284, 218390), (1605, 174712), (2140, 131034), (2568, 109195), (3210, 87356), (4280, 65517), (6420, 43678), (12840, 21839)]