217983360

素因数分解:

$2^7\times 3^1\times 5^1\times 7^3\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 256

約数和(自身を含む): 812736000

約数和(自身を除く): 594752640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 331, 336, 343, 384, 392, 420, 448, 480, 490, 560, 588, 640, 662, 672, 686, 735, 784, 840, 896, 960, 980, 993, 1029, 1120, 1176, 1324, 1344, 1372, 1470, 1568, 1655, 1680, 1715, 1920, 1960, 1986, 2058, 2240, 2317, 2352, 2648, 2688, 2744, 2940, 3136, 3310, 3360, 3430, 3920, 3972, 4116, 4480, 4634, 4704, 4965, 5145, 5296, 5488, 5880, 6272, 6620, 6720, 6860, 6951, 7840, 7944, 8232, 9268, 9408, 9930, 10290, 10592, 10976, 11585, 11760, 13240, 13440, 13720, 13902, 15680, 15888, 16219, 16464, 18536, 18816, 19860, 20580, 21184, 21952, 23170, 23520, 26480, 27440, 27804, 31360, 31776, 32438, 32928, 34755, 37072, 39720, 41160, 42368, 43904, 46340, 47040, 48657, 52960, 54880, 55608, 63552, 64876, 65856, 69510, 74144, 79440, 81095, 82320, 92680, 94080, 97314, 105920, 109760, 111216, 113533, 127104, 129752, 131712, 139020, 148288, 158880, 162190, 164640, 185360, 194628, 211840, 219520, 222432, 227066, 243285, 259504, 278040, 296576, 317760, 324380, 329280, 340599, 370720, 389256, 444864, 454132, 486570, 519008, 556080, 567665, 635520, 648760, 658560, 681198, 741440, 778512, 889728, 908264, 973140, 1038016, 1112160, 1135330, 1297520, 1362396, 1482880, 1557024, 1702995, 1816528, 1946280, 2076032, 2224320, 2270660, 2595040, 2724792, 3114048, 3405990, 3633056, 3892560, 4448640, 4541320, 5190080, 5449584, 6228096, 6811980, 7266112, 7785120, 9082640, 10380160, 10899168, 13623960, 14532224, 15570240, 18165280, 21798336, 27247920, 31140480, 36330560, 43596672, 54495840, 72661120, 108991680, 217983360]

約数ペア:

[(1, 217983360), (2, 108991680), (3, 72661120), (4, 54495840), (5, 43596672), (6, 36330560), (7, 31140480), (8, 27247920), (10, 21798336), (12, 18165280), (14, 15570240), (15, 14532224), (16, 13623960), (20, 10899168), (21, 10380160), (24, 9082640), (28, 7785120), (30, 7266112), (32, 6811980), (35, 6228096), (40, 5449584), (42, 5190080), (48, 4541320), (49, 4448640), (56, 3892560), (60, 3633056), (64, 3405990), (70, 3114048), (80, 2724792), (84, 2595040), (96, 2270660), (98, 2224320), (105, 2076032), (112, 1946280), (120, 1816528), (128, 1702995), (140, 1557024), (147, 1482880), (160, 1362396), (168, 1297520), (192, 1135330), (196, 1112160), (210, 1038016), (224, 973140), (240, 908264), (245, 889728), (280, 778512), (294, 741440), (320, 681198), (331, 658560), (336, 648760), (343, 635520), (384, 567665), (392, 556080), (420, 519008), (448, 486570), (480, 454132), (490, 444864), (560, 389256), (588, 370720), (640, 340599), (662, 329280), (672, 324380), (686, 317760), (735, 296576), (784, 278040), (840, 259504), (896, 243285), (960, 227066), (980, 222432), (993, 219520), (1029, 211840), (1120, 194628), (1176, 185360), (1324, 164640), (1344, 162190), (1372, 158880), (1470, 148288), (1568, 139020), (1655, 131712), (1680, 129752), (1715, 127104), (1920, 113533), (1960, 111216), (1986, 109760), (2058, 105920), (2240, 97314), (2317, 94080), (2352, 92680), (2648, 82320), (2688, 81095), (2744, 79440), (2940, 74144), (3136, 69510), (3310, 65856), (3360, 64876), (3430, 63552), (3920, 55608), (3972, 54880), (4116, 52960), (4480, 48657), (4634, 47040), (4704, 46340), (4965, 43904), (5145, 42368), (5296, 41160), (5488, 39720), (5880, 37072), (6272, 34755), (6620, 32928), (6720, 32438), (6860, 31776), (6951, 31360), (7840, 27804), (7944, 27440), (8232, 26480), (9268, 23520), (9408, 23170), (9930, 21952), (10290, 21184), (10592, 20580), (10976, 19860), (11585, 18816), (11760, 18536), (13240, 16464), (13440, 16219), (13720, 15888), (13902, 15680)]