261996840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{103967}}^1$

素因数の和:103991

約数の個数: 96

約数和(自身を含む): 973140480

約数和(自身を除く): 711143640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 103967, 207934, 311901, 415868, 519835, 623802, 727769, 831736, 935703, 1039670, 1247604, 1455538, 1559505, 1871406, 2079340, 2183307, 2495208, 2911076, 3119010, 3638845, 3742812, 4158680, 4366614, 4678515, 5822152, 6238020, 6549921, 7277690, 7485624, 8733228, 9357030, 10916535, 12476040, 13099842, 14555380, 17466456, 18714060, 21833070, 26199684, 29110760, 32749605, 37428120, 43666140, 52399368, 65499210, 87332280, 130998420, 261996840]

約数ペア:

[(1, 261996840), (2, 130998420), (3, 87332280), (4, 65499210), (5, 52399368), (6, 43666140), (7, 37428120), (8, 32749605), (9, 29110760), (10, 26199684), (12, 21833070), (14, 18714060), (15, 17466456), (18, 14555380), (20, 13099842), (21, 12476040), (24, 10916535), (28, 9357030), (30, 8733228), (35, 7485624), (36, 7277690), (40, 6549921), (42, 6238020), (45, 5822152), (56, 4678515), (60, 4366614), (63, 4158680), (70, 3742812), (72, 3638845), (84, 3119010), (90, 2911076), (105, 2495208), (120, 2183307), (126, 2079340), (140, 1871406), (168, 1559505), (180, 1455538), (210, 1247604), (252, 1039670), (280, 935703), (315, 831736), (360, 727769), (420, 623802), (504, 519835), (630, 415868), (840, 311901), (1260, 207934), (2520, 103967)]