28065240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:111

約数の個数: 288

約数和(自身を含む): 111505680

約数和(自身を除く): 83440440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 43, 45, 49, 56, 60, 63, 70, 72, 74, 84, 86, 90, 98, 105, 111, 120, 126, 129, 140, 147, 148, 168, 172, 180, 185, 196, 210, 215, 222, 245, 252, 258, 259, 280, 294, 296, 301, 315, 333, 344, 360, 370, 387, 392, 420, 430, 441, 444, 490, 504, 516, 518, 555, 588, 602, 630, 645, 666, 735, 740, 774, 777, 840, 860, 882, 888, 903, 980, 1032, 1036, 1110, 1176, 1204, 1260, 1290, 1295, 1332, 1470, 1480, 1505, 1548, 1554, 1591, 1665, 1720, 1764, 1806, 1813, 1935, 1960, 2072, 2107, 2205, 2220, 2331, 2408, 2520, 2580, 2590, 2664, 2709, 2940, 3010, 3096, 3108, 3182, 3330, 3528, 3612, 3626, 3870, 3885, 4214, 4410, 4440, 4515, 4662, 4773, 5160, 5180, 5418, 5439, 5880, 6020, 6216, 6321, 6364, 6660, 7224, 7252, 7740, 7770, 7955, 8428, 8820, 9030, 9065, 9324, 9546, 10360, 10535, 10836, 10878, 11137, 11655, 12040, 12642, 12728, 13320, 13545, 14319, 14504, 15480, 15540, 15910, 16317, 16856, 17640, 18060, 18130, 18648, 18963, 19092, 21070, 21672, 21756, 22274, 23310, 23865, 25284, 27090, 27195, 28638, 31080, 31605, 31820, 32634, 33411, 36120, 36260, 37926, 38184, 42140, 43512, 44548, 46620, 47730, 50568, 54180, 54390, 55685, 57276, 63210, 63640, 65268, 66822, 71595, 72520, 75852, 77959, 81585, 84280, 89096, 93240, 94815, 95460, 100233, 108360, 108780, 111370, 114552, 126420, 130536, 133644, 143190, 151704, 155918, 163170, 167055, 189630, 190920, 200466, 217560, 222740, 233877, 252840, 267288, 286380, 311836, 326340, 334110, 379260, 389795, 400932, 445480, 467754, 501165, 572760, 623672, 652680, 668220, 701631, 758520, 779590, 801864, 935508, 1002330, 1169385, 1336440, 1403262, 1559180, 1871016, 2004660, 2338770, 2806524, 3118360, 3508155, 4009320, 4677540, 5613048, 7016310, 9355080, 14032620, 28065240]

約数ペア:

[(1, 28065240), (2, 14032620), (3, 9355080), (4, 7016310), (5, 5613048), (6, 4677540), (7, 4009320), (8, 3508155), (9, 3118360), (10, 2806524), (12, 2338770), (14, 2004660), (15, 1871016), (18, 1559180), (20, 1403262), (21, 1336440), (24, 1169385), (28, 1002330), (30, 935508), (35, 801864), (36, 779590), (37, 758520), (40, 701631), (42, 668220), (43, 652680), (45, 623672), (49, 572760), (56, 501165), (60, 467754), (63, 445480), (70, 400932), (72, 389795), (74, 379260), (84, 334110), (86, 326340), (90, 311836), (98, 286380), (105, 267288), (111, 252840), (120, 233877), (126, 222740), (129, 217560), (140, 200466), (147, 190920), (148, 189630), (168, 167055), (172, 163170), (180, 155918), (185, 151704), (196, 143190), (210, 133644), (215, 130536), (222, 126420), (245, 114552), (252, 111370), (258, 108780), (259, 108360), (280, 100233), (294, 95460), (296, 94815), (301, 93240), (315, 89096), (333, 84280), (344, 81585), (360, 77959), (370, 75852), (387, 72520), (392, 71595), (420, 66822), (430, 65268), (441, 63640), (444, 63210), (490, 57276), (504, 55685), (516, 54390), (518, 54180), (555, 50568), (588, 47730), (602, 46620), (630, 44548), (645, 43512), (666, 42140), (735, 38184), (740, 37926), (774, 36260), (777, 36120), (840, 33411), (860, 32634), (882, 31820), (888, 31605), (903, 31080), (980, 28638), (1032, 27195), (1036, 27090), (1110, 25284), (1176, 23865), (1204, 23310), (1260, 22274), (1290, 21756), (1295, 21672), (1332, 21070), (1470, 19092), (1480, 18963), (1505, 18648), (1548, 18130), (1554, 18060), (1591, 17640), (1665, 16856), (1720, 16317), (1764, 15910), (1806, 15540), (1813, 15480), (1935, 14504), (1960, 14319), (2072, 13545), (2107, 13320), (2205, 12728), (2220, 12642), (2331, 12040), (2408, 11655), (2520, 11137), (2580, 10878), (2590, 10836), (2664, 10535), (2709, 10360), (2940, 9546), (3010, 9324), (3096, 9065), (3108, 9030), (3182, 8820), (3330, 8428), (3528, 7955), (3612, 7770), (3626, 7740), (3870, 7252), (3885, 7224), (4214, 6660), (4410, 6364), (4440, 6321), (4515, 6216), (4662, 6020), (4773, 5880), (5160, 5439), (5180, 5418)]