261583560

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{4943}}^1$

素因数の和:4977

約数の個数: 192

約数和(自身を含む): 1014508800

約数和(自身を除く): 752925240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 4943, 5292, 5880, 6615, 7560, 8820, 9886, 10584, 13230, 14829, 17640, 19772, 24715, 26460, 29658, 34601, 39544, 44487, 49430, 52920, 59316, 69202, 74145, 88974, 98860, 103803, 118632, 133461, 138404, 148290, 173005, 177948, 197720, 207606, 222435, 242207, 266922, 276808, 296580, 311409, 346010, 355896, 415212, 444870, 484414, 519015, 533844, 593160, 622818, 667305, 692020, 726621, 830424, 889740, 934227, 968828, 1038030, 1067688, 1211035, 1245636, 1334610, 1384040, 1453242, 1557045, 1779480, 1868454, 1937656, 2076060, 2179863, 2422070, 2491272, 2669220, 2906484, 3114090, 3633105, 3736908, 4152120, 4359726, 4671135, 4844140, 5338440, 5812968, 6228180, 6539589, 7266210, 7473816, 8719452, 9342270, 9688280, 10899315, 12456360, 13079178, 14532420, 17438904, 18684540, 21798630, 26158356, 29064840, 32697945, 37369080, 43597260, 52316712, 65395890, 87194520, 130791780, 261583560]

約数ペア:

[(1, 261583560), (2, 130791780), (3, 87194520), (4, 65395890), (5, 52316712), (6, 43597260), (7, 37369080), (8, 32697945), (9, 29064840), (10, 26158356), (12, 21798630), (14, 18684540), (15, 17438904), (18, 14532420), (20, 13079178), (21, 12456360), (24, 10899315), (27, 9688280), (28, 9342270), (30, 8719452), (35, 7473816), (36, 7266210), (40, 6539589), (42, 6228180), (45, 5812968), (49, 5338440), (54, 4844140), (56, 4671135), (60, 4359726), (63, 4152120), (70, 3736908), (72, 3633105), (84, 3114090), (90, 2906484), (98, 2669220), (105, 2491272), (108, 2422070), (120, 2179863), (126, 2076060), (135, 1937656), (140, 1868454), (147, 1779480), (168, 1557045), (180, 1453242), (189, 1384040), (196, 1334610), (210, 1245636), (216, 1211035), (245, 1067688), (252, 1038030), (270, 968828), (280, 934227), (294, 889740), (315, 830424), (360, 726621), (378, 692020), (392, 667305), (420, 622818), (441, 593160), (490, 533844), (504, 519015), (540, 484414), (588, 444870), (630, 415212), (735, 355896), (756, 346010), (840, 311409), (882, 296580), (945, 276808), (980, 266922), (1080, 242207), (1176, 222435), (1260, 207606), (1323, 197720), (1470, 177948), (1512, 173005), (1764, 148290), (1890, 138404), (1960, 133461), (2205, 118632), (2520, 103803), (2646, 98860), (2940, 88974), (3528, 74145), (3780, 69202), (4410, 59316), (4943, 52920), (5292, 49430), (5880, 44487), (6615, 39544), (7560, 34601), (8820, 29658), (9886, 26460), (10584, 24715), (13230, 19772), (14829, 17640)]