217974960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:796

約数の個数: 240

約数和(自身を含む): 851522880

約数和(自身を除く): 633547920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 709, 720, 732, 840, 854, 915, 976, 1008, 1098, 1220, 1260, 1281, 1418, 1464, 1680, 1708, 1830, 2127, 2135, 2196, 2440, 2520, 2562, 2745, 2836, 2928, 3416, 3545, 3660, 3843, 4254, 4270, 4392, 4880, 4963, 5040, 5124, 5490, 5672, 6381, 6405, 6832, 7090, 7320, 7686, 8508, 8540, 8784, 9926, 10248, 10635, 10980, 11344, 12762, 12810, 14180, 14640, 14889, 15372, 17016, 17080, 19215, 19852, 20496, 21270, 21960, 24815, 25524, 25620, 28360, 29778, 30744, 31905, 34032, 34160, 38430, 39704, 42540, 43249, 43920, 44667, 49630, 51048, 51240, 56720, 59556, 61488, 63810, 74445, 76860, 79408, 85080, 86498, 89334, 99260, 102096, 102480, 119112, 127620, 129747, 148890, 153720, 170160, 172996, 178668, 198520, 216245, 223335, 238224, 255240, 259494, 297780, 302743, 307440, 345992, 357336, 389241, 397040, 432490, 446670, 510480, 518988, 595560, 605486, 648735, 691984, 714672, 778482, 864980, 893340, 908229, 1037976, 1191120, 1210972, 1297470, 1513715, 1556964, 1729960, 1786680, 1816458, 1946205, 2075952, 2421944, 2594940, 2724687, 3027430, 3113928, 3459920, 3573360, 3632916, 3892410, 4541145, 4843888, 5189880, 5449374, 6054860, 6227856, 7265832, 7784820, 9082290, 10379760, 10898748, 12109720, 13623435, 14531664, 15569640, 18164580, 21797496, 24219440, 27246870, 31139280, 36329160, 43594992, 54493740, 72658320, 108987480, 217974960]

約数ペア:

[(1, 217974960), (2, 108987480), (3, 72658320), (4, 54493740), (5, 43594992), (6, 36329160), (7, 31139280), (8, 27246870), (9, 24219440), (10, 21797496), (12, 18164580), (14, 15569640), (15, 14531664), (16, 13623435), (18, 12109720), (20, 10898748), (21, 10379760), (24, 9082290), (28, 7784820), (30, 7265832), (35, 6227856), (36, 6054860), (40, 5449374), (42, 5189880), (45, 4843888), (48, 4541145), (56, 3892410), (60, 3632916), (61, 3573360), (63, 3459920), (70, 3113928), (72, 3027430), (80, 2724687), (84, 2594940), (90, 2421944), (105, 2075952), (112, 1946205), (120, 1816458), (122, 1786680), (126, 1729960), (140, 1556964), (144, 1513715), (168, 1297470), (180, 1210972), (183, 1191120), (210, 1037976), (240, 908229), (244, 893340), (252, 864980), (280, 778482), (305, 714672), (315, 691984), (336, 648735), (360, 605486), (366, 595560), (420, 518988), (427, 510480), (488, 446670), (504, 432490), (549, 397040), (560, 389241), (610, 357336), (630, 345992), (709, 307440), (720, 302743), (732, 297780), (840, 259494), (854, 255240), (915, 238224), (976, 223335), (1008, 216245), (1098, 198520), (1220, 178668), (1260, 172996), (1281, 170160), (1418, 153720), (1464, 148890), (1680, 129747), (1708, 127620), (1830, 119112), (2127, 102480), (2135, 102096), (2196, 99260), (2440, 89334), (2520, 86498), (2562, 85080), (2745, 79408), (2836, 76860), (2928, 74445), (3416, 63810), (3545, 61488), (3660, 59556), (3843, 56720), (4254, 51240), (4270, 51048), (4392, 49630), (4880, 44667), (4963, 43920), (5040, 43249), (5124, 42540), (5490, 39704), (5672, 38430), (6381, 34160), (6405, 34032), (6832, 31905), (7090, 30744), (7320, 29778), (7686, 28360), (8508, 25620), (8540, 25524), (8784, 24815), (9926, 21960), (10248, 21270), (10635, 20496), (10980, 19852), (11344, 19215), (12762, 17080), (12810, 17016), (14180, 15372), (14640, 14889)]