221548320

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:768

約数の個数: 288

約数和(自身を含む): 893168640

約数和(自身を除く): 671620320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 709, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1418, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2127, 2170, 2232, 2480, 2520, 2604, 2790, 2836, 2976, 3255, 3360, 3472, 3545, 3720, 3906, 4254, 4340, 4464, 4960, 4963, 5040, 5208, 5580, 5672, 6381, 6510, 6944, 7090, 7440, 7812, 8508, 8680, 8928, 9765, 9926, 10080, 10416, 10635, 11160, 11344, 12762, 13020, 14180, 14880, 14889, 15624, 17016, 17360, 19530, 19852, 20832, 21270, 21979, 22320, 22688, 24815, 25524, 26040, 28360, 29778, 31248, 31905, 34032, 34720, 39060, 39704, 42540, 43958, 44640, 44667, 49630, 51048, 52080, 56720, 59556, 62496, 63810, 65937, 68064, 74445, 78120, 79408, 85080, 87916, 89334, 99260, 102096, 104160, 109895, 113440, 119112, 127620, 131874, 148890, 153853, 156240, 158816, 170160, 175832, 178668, 197811, 198520, 204192, 219790, 223335, 238224, 255240, 263748, 297780, 307706, 312480, 329685, 340320, 351664, 357336, 395622, 397040, 439580, 446670, 461559, 476448, 510480, 527496, 595560, 615412, 659370, 703328, 714672, 769265, 791244, 794080, 879160, 893340, 923118, 989055, 1020960, 1054992, 1191120, 1230824, 1318740, 1384677, 1429344, 1538530, 1582488, 1758320, 1786680, 1846236, 1978110, 2109984, 2307795, 2382240, 2461648, 2637480, 2769354, 3077060, 3164976, 3516640, 3573360, 3692472, 3956220, 4615590, 4923296, 5274960, 5538708, 6154120, 6329952, 6923385, 7146720, 7384944, 7912440, 9231180, 10549920, 11077416, 12308240, 13846770, 14769888, 15824880, 18462360, 22154832, 24616480, 27693540, 31649760, 36924720, 44309664, 55387080, 73849440, 110774160, 221548320]

約数ペア:

[(1, 221548320), (2, 110774160), (3, 73849440), (4, 55387080), (5, 44309664), (6, 36924720), (7, 31649760), (8, 27693540), (9, 24616480), (10, 22154832), (12, 18462360), (14, 15824880), (15, 14769888), (16, 13846770), (18, 12308240), (20, 11077416), (21, 10549920), (24, 9231180), (28, 7912440), (30, 7384944), (31, 7146720), (32, 6923385), (35, 6329952), (36, 6154120), (40, 5538708), (42, 5274960), (45, 4923296), (48, 4615590), (56, 3956220), (60, 3692472), (62, 3573360), (63, 3516640), (70, 3164976), (72, 3077060), (80, 2769354), (84, 2637480), (90, 2461648), (93, 2382240), (96, 2307795), (105, 2109984), (112, 1978110), (120, 1846236), (124, 1786680), (126, 1758320), (140, 1582488), (144, 1538530), (155, 1429344), (160, 1384677), (168, 1318740), (180, 1230824), (186, 1191120), (210, 1054992), (217, 1020960), (224, 989055), (240, 923118), (248, 893340), (252, 879160), (279, 794080), (280, 791244), (288, 769265), (310, 714672), (315, 703328), (336, 659370), (360, 615412), (372, 595560), (420, 527496), (434, 510480), (465, 476448), (480, 461559), (496, 446670), (504, 439580), (558, 397040), (560, 395622), (620, 357336), (630, 351664), (651, 340320), (672, 329685), (709, 312480), (720, 307706), (744, 297780), (840, 263748), (868, 255240), (930, 238224), (992, 223335), (1008, 219790), (1085, 204192), (1116, 198520), (1120, 197811), (1240, 178668), (1260, 175832), (1302, 170160), (1395, 158816), (1418, 156240), (1440, 153853), (1488, 148890), (1680, 131874), (1736, 127620), (1860, 119112), (1953, 113440), (2016, 109895), (2127, 104160), (2170, 102096), (2232, 99260), (2480, 89334), (2520, 87916), (2604, 85080), (2790, 79408), (2836, 78120), (2976, 74445), (3255, 68064), (3360, 65937), (3472, 63810), (3545, 62496), (3720, 59556), (3906, 56720), (4254, 52080), (4340, 51048), (4464, 49630), (4960, 44667), (4963, 44640), (5040, 43958), (5208, 42540), (5580, 39704), (5672, 39060), (6381, 34720), (6510, 34032), (6944, 31905), (7090, 31248), (7440, 29778), (7812, 28360), (8508, 26040), (8680, 25524), (8928, 24815), (9765, 22688), (9926, 22320), (10080, 21979), (10416, 21270), (10635, 20832), (11160, 19852), (11344, 19530), (12762, 17360), (13020, 17016), (14180, 15624), (14880, 14889)]