205514820

素因数分解:

$2^2\times 3^5\times 5^1\times 7^2\times {\mathrm{863}}^1$

素因数の和:901

約数の個数: 216

約数和(自身を含む): 752903424

約数和(自身を除く): 547388604

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 243, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 486, 490, 540, 567, 588, 630, 735, 756, 810, 863, 882, 945, 972, 980, 1134, 1215, 1260, 1323, 1470, 1620, 1701, 1726, 1764, 1890, 2205, 2268, 2430, 2589, 2646, 2835, 2940, 3402, 3452, 3780, 3969, 4315, 4410, 4860, 5178, 5292, 5670, 6041, 6615, 6804, 7767, 7938, 8505, 8630, 8820, 10356, 11340, 11907, 12082, 12945, 13230, 15534, 15876, 17010, 17260, 18123, 19845, 23301, 23814, 24164, 25890, 26460, 30205, 31068, 34020, 36246, 38835, 39690, 42287, 46602, 47628, 51780, 54369, 59535, 60410, 69903, 72492, 77670, 79380, 84574, 90615, 93204, 108738, 116505, 119070, 120820, 126861, 139806, 155340, 163107, 169148, 181230, 209709, 211435, 217476, 233010, 238140, 253722, 271845, 279612, 326214, 349515, 362460, 380583, 419418, 422870, 466020, 489321, 507444, 543690, 634305, 652428, 699030, 761166, 815535, 838836, 845740, 978642, 1048545, 1087380, 1141749, 1268610, 1398060, 1467963, 1522332, 1631070, 1902915, 1957284, 2097090, 2283498, 2446605, 2537220, 2935926, 3262140, 3425247, 3805830, 4194180, 4566996, 4893210, 5708745, 5871852, 6850494, 7339815, 7611660, 9786420, 10275741, 11417490, 13700988, 14679630, 17126235, 20551482, 22834980, 29359260, 34252470, 41102964, 51378705, 68504940, 102757410, 205514820]

約数ペア:

[(1, 205514820), (2, 102757410), (3, 68504940), (4, 51378705), (5, 41102964), (6, 34252470), (7, 29359260), (9, 22834980), (10, 20551482), (12, 17126235), (14, 14679630), (15, 13700988), (18, 11417490), (20, 10275741), (21, 9786420), (27, 7611660), (28, 7339815), (30, 6850494), (35, 5871852), (36, 5708745), (42, 4893210), (45, 4566996), (49, 4194180), (54, 3805830), (60, 3425247), (63, 3262140), (70, 2935926), (81, 2537220), (84, 2446605), (90, 2283498), (98, 2097090), (105, 1957284), (108, 1902915), (126, 1631070), (135, 1522332), (140, 1467963), (147, 1398060), (162, 1268610), (180, 1141749), (189, 1087380), (196, 1048545), (210, 978642), (243, 845740), (245, 838836), (252, 815535), (270, 761166), (294, 699030), (315, 652428), (324, 634305), (378, 543690), (405, 507444), (420, 489321), (441, 466020), (486, 422870), (490, 419418), (540, 380583), (567, 362460), (588, 349515), (630, 326214), (735, 279612), (756, 271845), (810, 253722), (863, 238140), (882, 233010), (945, 217476), (972, 211435), (980, 209709), (1134, 181230), (1215, 169148), (1260, 163107), (1323, 155340), (1470, 139806), (1620, 126861), (1701, 120820), (1726, 119070), (1764, 116505), (1890, 108738), (2205, 93204), (2268, 90615), (2430, 84574), (2589, 79380), (2646, 77670), (2835, 72492), (2940, 69903), (3402, 60410), (3452, 59535), (3780, 54369), (3969, 51780), (4315, 47628), (4410, 46602), (4860, 42287), (5178, 39690), (5292, 38835), (5670, 36246), (6041, 34020), (6615, 31068), (6804, 30205), (7767, 26460), (7938, 25890), (8505, 24164), (8630, 23814), (8820, 23301), (10356, 19845), (11340, 18123), (11907, 17260), (12082, 17010), (12945, 15876), (13230, 15534)]