217998480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 240

約数和(自身を含む): 822268800

約数和(自身を除く): 604270320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 289, 336, 340, 357, 408, 420, 449, 476, 510, 560, 578, 595, 680, 714, 816, 840, 867, 898, 952, 1020, 1156, 1190, 1347, 1360, 1428, 1445, 1680, 1734, 1785, 1796, 1904, 2023, 2040, 2245, 2312, 2380, 2694, 2856, 2890, 3143, 3468, 3570, 3592, 4046, 4080, 4335, 4490, 4624, 4760, 5388, 5712, 5780, 6069, 6286, 6735, 6936, 7140, 7184, 7633, 8092, 8670, 8980, 9429, 9520, 10115, 10776, 11560, 12138, 12572, 13470, 13872, 14280, 15266, 15715, 16184, 17340, 17960, 18858, 20230, 21552, 22899, 23120, 24276, 25144, 26940, 28560, 30345, 30532, 31430, 32368, 34680, 35920, 37716, 38165, 40460, 45798, 47145, 48552, 50288, 53431, 53880, 60690, 61064, 62860, 69360, 75432, 76330, 80920, 91596, 94290, 97104, 106862, 107760, 114495, 121380, 122128, 125720, 129761, 150864, 152660, 160293, 161840, 183192, 188580, 213724, 228990, 242760, 251440, 259522, 267155, 305320, 320586, 366384, 377160, 389283, 427448, 457980, 485520, 519044, 534310, 610640, 641172, 648805, 754320, 778566, 801465, 854896, 908327, 915960, 1038088, 1068620, 1282344, 1297610, 1557132, 1602930, 1816654, 1831920, 1946415, 2076176, 2137240, 2564688, 2595220, 2724981, 3114264, 3205860, 3633308, 3892830, 4274480, 4541635, 5190440, 5449962, 6228528, 6411720, 7266616, 7785660, 9083270, 10380880, 10899924, 12823440, 13624905, 14533232, 15571320, 18166540, 21799848, 27249810, 31142640, 36333080, 43599696, 54499620, 72666160, 108999240, 217998480]

約数ペア:

[(1, 217998480), (2, 108999240), (3, 72666160), (4, 54499620), (5, 43599696), (6, 36333080), (7, 31142640), (8, 27249810), (10, 21799848), (12, 18166540), (14, 15571320), (15, 14533232), (16, 13624905), (17, 12823440), (20, 10899924), (21, 10380880), (24, 9083270), (28, 7785660), (30, 7266616), (34, 6411720), (35, 6228528), (40, 5449962), (42, 5190440), (48, 4541635), (51, 4274480), (56, 3892830), (60, 3633308), (68, 3205860), (70, 3114264), (80, 2724981), (84, 2595220), (85, 2564688), (102, 2137240), (105, 2076176), (112, 1946415), (119, 1831920), (120, 1816654), (136, 1602930), (140, 1557132), (168, 1297610), (170, 1282344), (204, 1068620), (210, 1038088), (238, 915960), (240, 908327), (255, 854896), (272, 801465), (280, 778566), (289, 754320), (336, 648805), (340, 641172), (357, 610640), (408, 534310), (420, 519044), (449, 485520), (476, 457980), (510, 427448), (560, 389283), (578, 377160), (595, 366384), (680, 320586), (714, 305320), (816, 267155), (840, 259522), (867, 251440), (898, 242760), (952, 228990), (1020, 213724), (1156, 188580), (1190, 183192), (1347, 161840), (1360, 160293), (1428, 152660), (1445, 150864), (1680, 129761), (1734, 125720), (1785, 122128), (1796, 121380), (1904, 114495), (2023, 107760), (2040, 106862), (2245, 97104), (2312, 94290), (2380, 91596), (2694, 80920), (2856, 76330), (2890, 75432), (3143, 69360), (3468, 62860), (3570, 61064), (3592, 60690), (4046, 53880), (4080, 53431), (4335, 50288), (4490, 48552), (4624, 47145), (4760, 45798), (5388, 40460), (5712, 38165), (5780, 37716), (6069, 35920), (6286, 34680), (6735, 32368), (6936, 31430), (7140, 30532), (7184, 30345), (7633, 28560), (8092, 26940), (8670, 25144), (8980, 24276), (9429, 23120), (9520, 22899), (10115, 21552), (10776, 20230), (11560, 18858), (12138, 17960), (12572, 17340), (13470, 16184), (13872, 15715), (14280, 15266)]