261419760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{51869}}^1$

素因数の和:51895

約数の個数: 120

約数和(自身を含む): 1003373280

約数和(自身を除く): 741953520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 51869, 103738, 155607, 207476, 259345, 311214, 363083, 414952, 466821, 518690, 622428, 726166, 778035, 829904, 933642, 1037380, 1089249, 1244856, 1452332, 1556070, 1815415, 1867284, 2074760, 2178498, 2334105, 2489712, 2904664, 3112140, 3267747, 3630830, 3734568, 4149520, 4356996, 4668210, 5446245, 5809328, 6224280, 6535494, 7261660, 7469136, 8713992, 9336420, 10892490, 12448560, 13070988, 14523320, 16338735, 17427984, 18672840, 21784980, 26141976, 29046640, 32677470, 37345680, 43569960, 52283952, 65354940, 87139920, 130709880, 261419760]

約数ペア:

[(1, 261419760), (2, 130709880), (3, 87139920), (4, 65354940), (5, 52283952), (6, 43569960), (7, 37345680), (8, 32677470), (9, 29046640), (10, 26141976), (12, 21784980), (14, 18672840), (15, 17427984), (16, 16338735), (18, 14523320), (20, 13070988), (21, 12448560), (24, 10892490), (28, 9336420), (30, 8713992), (35, 7469136), (36, 7261660), (40, 6535494), (42, 6224280), (45, 5809328), (48, 5446245), (56, 4668210), (60, 4356996), (63, 4149520), (70, 3734568), (72, 3630830), (80, 3267747), (84, 3112140), (90, 2904664), (105, 2489712), (112, 2334105), (120, 2178498), (126, 2074760), (140, 1867284), (144, 1815415), (168, 1556070), (180, 1452332), (210, 1244856), (240, 1089249), (252, 1037380), (280, 933642), (315, 829904), (336, 778035), (360, 726166), (420, 622428), (504, 518690), (560, 466821), (630, 414952), (720, 363083), (840, 311214), (1008, 259345), (1260, 207476), (1680, 155607), (2520, 103738), (5040, 51869)]