261576720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8861}}^1$

素因数の和:8921

約数の個数: 120

約数和(自身を含む): 899989272

約数和(自身を除く): 638412552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 8861, 9840, 14760, 17722, 26583, 29520, 35444, 44305, 53166, 70888, 79749, 88610, 106332, 132915, 141776, 159498, 177220, 212664, 265830, 318996, 354440, 363301, 398745, 425328, 531660, 637992, 708880, 726602, 797490, 1063320, 1089903, 1275984, 1453204, 1594980, 1816505, 2126640, 2179806, 2906408, 3189960, 3269709, 3633010, 4359612, 5449515, 5812816, 6379920, 6539418, 7266020, 8719224, 10899030, 13078836, 14532040, 16348545, 17438448, 21798060, 26157672, 29064080, 32697090, 43596120, 52315344, 65394180, 87192240, 130788360, 261576720]

約数ペア:

[(1, 261576720), (2, 130788360), (3, 87192240), (4, 65394180), (5, 52315344), (6, 43596120), (8, 32697090), (9, 29064080), (10, 26157672), (12, 21798060), (15, 17438448), (16, 16348545), (18, 14532040), (20, 13078836), (24, 10899030), (30, 8719224), (36, 7266020), (40, 6539418), (41, 6379920), (45, 5812816), (48, 5449515), (60, 4359612), (72, 3633010), (80, 3269709), (82, 3189960), (90, 2906408), (120, 2179806), (123, 2126640), (144, 1816505), (164, 1594980), (180, 1453204), (205, 1275984), (240, 1089903), (246, 1063320), (328, 797490), (360, 726602), (369, 708880), (410, 637992), (492, 531660), (615, 425328), (656, 398745), (720, 363301), (738, 354440), (820, 318996), (984, 265830), (1230, 212664), (1476, 177220), (1640, 159498), (1845, 141776), (1968, 132915), (2460, 106332), (2952, 88610), (3280, 79749), (3690, 70888), (4920, 53166), (5904, 44305), (7380, 35444), (8861, 29520), (9840, 26583), (14760, 17722)]