217098840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:722

約数の個数: 256

約数和(自身を含む): 823633920

約数和(自身を除く): 606535080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 23, 24, 28, 30, 34, 35, 40, 42, 46, 51, 56, 60, 68, 69, 70, 84, 85, 92, 102, 105, 115, 119, 120, 136, 138, 140, 161, 168, 170, 184, 204, 210, 230, 238, 255, 276, 280, 322, 340, 345, 357, 391, 408, 420, 460, 476, 483, 510, 552, 595, 644, 661, 680, 690, 714, 782, 805, 840, 920, 952, 966, 1020, 1173, 1190, 1288, 1322, 1380, 1428, 1564, 1610, 1785, 1932, 1955, 1983, 2040, 2346, 2380, 2415, 2644, 2737, 2760, 2856, 3128, 3220, 3305, 3570, 3864, 3910, 3966, 4627, 4692, 4760, 4830, 5288, 5474, 5865, 6440, 6610, 7140, 7820, 7932, 8211, 9254, 9384, 9660, 9915, 10948, 11237, 11730, 13220, 13685, 13881, 14280, 15203, 15640, 15864, 16422, 18508, 19320, 19830, 21896, 22474, 23135, 23460, 26440, 27370, 27762, 30406, 32844, 33711, 37016, 39660, 41055, 44948, 45609, 46270, 46920, 54740, 55524, 56185, 60812, 65688, 67422, 69405, 76015, 78659, 79320, 82110, 89896, 91218, 92540, 106421, 109480, 111048, 112370, 121624, 134844, 138810, 152030, 157318, 164220, 168555, 182436, 185080, 212842, 224740, 228045, 235977, 258451, 269688, 277620, 304060, 314636, 319263, 328440, 337110, 364872, 393295, 425684, 449480, 456090, 471954, 516902, 532105, 555240, 608120, 629272, 638526, 674220, 775353, 786590, 851368, 912180, 943908, 1033804, 1064210, 1179885, 1277052, 1292255, 1348440, 1550706, 1573180, 1596315, 1809157, 1824360, 1887816, 2067608, 2128420, 2359770, 2554104, 2584510, 3101412, 3146360, 3192630, 3618314, 3876765, 4256840, 4719540, 5169020, 5427471, 6202824, 6385260, 7236628, 7753530, 9045785, 9439080, 10338040, 10854942, 12770520, 14473256, 15507060, 18091570, 21709884, 27137355, 31014120, 36183140, 43419768, 54274710, 72366280, 108549420, 217098840]

約数ペア:

[(1, 217098840), (2, 108549420), (3, 72366280), (4, 54274710), (5, 43419768), (6, 36183140), (7, 31014120), (8, 27137355), (10, 21709884), (12, 18091570), (14, 15507060), (15, 14473256), (17, 12770520), (20, 10854942), (21, 10338040), (23, 9439080), (24, 9045785), (28, 7753530), (30, 7236628), (34, 6385260), (35, 6202824), (40, 5427471), (42, 5169020), (46, 4719540), (51, 4256840), (56, 3876765), (60, 3618314), (68, 3192630), (69, 3146360), (70, 3101412), (84, 2584510), (85, 2554104), (92, 2359770), (102, 2128420), (105, 2067608), (115, 1887816), (119, 1824360), (120, 1809157), (136, 1596315), (138, 1573180), (140, 1550706), (161, 1348440), (168, 1292255), (170, 1277052), (184, 1179885), (204, 1064210), (210, 1033804), (230, 943908), (238, 912180), (255, 851368), (276, 786590), (280, 775353), (322, 674220), (340, 638526), (345, 629272), (357, 608120), (391, 555240), (408, 532105), (420, 516902), (460, 471954), (476, 456090), (483, 449480), (510, 425684), (552, 393295), (595, 364872), (644, 337110), (661, 328440), (680, 319263), (690, 314636), (714, 304060), (782, 277620), (805, 269688), (840, 258451), (920, 235977), (952, 228045), (966, 224740), (1020, 212842), (1173, 185080), (1190, 182436), (1288, 168555), (1322, 164220), (1380, 157318), (1428, 152030), (1564, 138810), (1610, 134844), (1785, 121624), (1932, 112370), (1955, 111048), (1983, 109480), (2040, 106421), (2346, 92540), (2380, 91218), (2415, 89896), (2644, 82110), (2737, 79320), (2760, 78659), (2856, 76015), (3128, 69405), (3220, 67422), (3305, 65688), (3570, 60812), (3864, 56185), (3910, 55524), (3966, 54740), (4627, 46920), (4692, 46270), (4760, 45609), (4830, 44948), (5288, 41055), (5474, 39660), (5865, 37016), (6440, 33711), (6610, 32844), (7140, 30406), (7820, 27762), (7932, 27370), (8211, 26440), (9254, 23460), (9384, 23135), (9660, 22474), (9915, 21896), (10948, 19830), (11237, 19320), (11730, 18508), (13220, 16422), (13685, 15864), (13881, 15640), (14280, 15203)]