261600840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{307}}^1$

素因数の和:593

約数の個数: 160

約数和(自身を含む): 885487680

約数和(自身を除く): 623886840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 263, 270, 307, 324, 360, 405, 526, 540, 614, 648, 789, 810, 921, 1052, 1080, 1228, 1315, 1535, 1578, 1620, 1842, 2104, 2367, 2456, 2630, 2763, 3070, 3156, 3240, 3684, 3945, 4605, 4734, 5260, 5526, 6140, 6312, 7101, 7368, 7890, 8289, 9210, 9468, 10520, 11052, 11835, 12280, 13815, 14202, 15780, 16578, 18420, 18936, 21303, 22104, 23670, 24867, 27630, 28404, 31560, 33156, 35505, 36840, 41445, 42606, 47340, 49734, 55260, 56808, 66312, 71010, 80741, 82890, 85212, 94680, 99468, 106515, 110520, 124335, 142020, 161482, 165780, 170424, 198936, 213030, 242223, 248670, 284040, 322964, 331560, 403705, 426060, 484446, 497340, 645928, 726669, 807410, 852120, 968892, 994680, 1211115, 1453338, 1614820, 1937784, 2180007, 2422230, 2906676, 3229640, 3633345, 4360014, 4844460, 5813352, 6540021, 7266690, 8720028, 9688920, 10900035, 13080042, 14533380, 17440056, 21800070, 26160084, 29066760, 32700105, 43600140, 52320168, 65400210, 87200280, 130800420, 261600840]

約数ペア:

[(1, 261600840), (2, 130800420), (3, 87200280), (4, 65400210), (5, 52320168), (6, 43600140), (8, 32700105), (9, 29066760), (10, 26160084), (12, 21800070), (15, 17440056), (18, 14533380), (20, 13080042), (24, 10900035), (27, 9688920), (30, 8720028), (36, 7266690), (40, 6540021), (45, 5813352), (54, 4844460), (60, 4360014), (72, 3633345), (81, 3229640), (90, 2906676), (108, 2422230), (120, 2180007), (135, 1937784), (162, 1614820), (180, 1453338), (216, 1211115), (263, 994680), (270, 968892), (307, 852120), (324, 807410), (360, 726669), (405, 645928), (526, 497340), (540, 484446), (614, 426060), (648, 403705), (789, 331560), (810, 322964), (921, 284040), (1052, 248670), (1080, 242223), (1228, 213030), (1315, 198936), (1535, 170424), (1578, 165780), (1620, 161482), (1842, 142020), (2104, 124335), (2367, 110520), (2456, 106515), (2630, 99468), (2763, 94680), (3070, 85212), (3156, 82890), (3240, 80741), (3684, 71010), (3945, 66312), (4605, 56808), (4734, 55260), (5260, 49734), (5526, 47340), (6140, 42606), (6312, 41445), (7101, 36840), (7368, 35505), (7890, 33156), (8289, 31560), (9210, 28404), (9468, 27630), (10520, 24867), (11052, 23670), (11835, 22104), (12280, 21303), (13815, 18936), (14202, 18420), (15780, 16578)]