217964880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{733}}^1$

素因数の和:818

約数の個数: 240

約数和(自身を含む): 851909760

約数和(自身を除く): 633944880

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, 59, 60, 63, 70, 72, 80, 84, 90, 105, 112, 118, 120, 126, 140, 144, 168, 177, 180, 210, 236, 240, 252, 280, 295, 315, 336, 354, 360, 413, 420, 472, 504, 531, 560, 590, 630, 708, 720, 733, 826, 840, 885, 944, 1008, 1062, 1180, 1239, 1260, 1416, 1466, 1652, 1680, 1770, 2065, 2124, 2199, 2360, 2478, 2520, 2655, 2832, 2932, 3304, 3540, 3665, 3717, 4130, 4248, 4398, 4720, 4956, 5040, 5131, 5310, 5864, 6195, 6597, 6608, 7080, 7330, 7434, 8260, 8496, 8796, 9912, 10262, 10620, 10995, 11728, 12390, 13194, 14160, 14660, 14868, 15393, 16520, 17592, 18585, 19824, 20524, 21240, 21990, 24780, 25655, 26388, 29320, 29736, 30786, 32985, 33040, 35184, 37170, 41048, 42480, 43247, 43980, 46179, 49560, 51310, 52776, 58640, 59472, 61572, 65970, 74340, 76965, 82096, 86494, 87960, 92358, 99120, 102620, 105552, 123144, 129741, 131940, 148680, 153930, 172988, 175920, 184716, 205240, 216235, 230895, 246288, 259482, 263880, 297360, 302729, 307860, 345976, 369432, 389223, 410480, 432470, 461790, 518964, 527760, 605458, 615720, 648705, 691952, 738864, 778446, 864940, 908187, 923580, 1037928, 1210916, 1231440, 1297410, 1513645, 1556892, 1729880, 1816374, 1847160, 1946115, 2075856, 2421832, 2594820, 2724561, 3027290, 3113784, 3459760, 3632748, 3694320, 3892230, 4540935, 4843664, 5189640, 5449122, 6054580, 6227568, 7265496, 7784460, 9081870, 10379280, 10898244, 12109160, 13622805, 14530992, 15568920, 18163740, 21796488, 24218320, 27245610, 31137840, 36327480, 43592976, 54491220, 72654960, 108982440, 217964880]

約数ペア:

[(1, 217964880), (2, 108982440), (3, 72654960), (4, 54491220), (5, 43592976), (6, 36327480), (7, 31137840), (8, 27245610), (9, 24218320), (10, 21796488), (12, 18163740), (14, 15568920), (15, 14530992), (16, 13622805), (18, 12109160), (20, 10898244), (21, 10379280), (24, 9081870), (28, 7784460), (30, 7265496), (35, 6227568), (36, 6054580), (40, 5449122), (42, 5189640), (45, 4843664), (48, 4540935), (56, 3892230), (59, 3694320), (60, 3632748), (63, 3459760), (70, 3113784), (72, 3027290), (80, 2724561), (84, 2594820), (90, 2421832), (105, 2075856), (112, 1946115), (118, 1847160), (120, 1816374), (126, 1729880), (140, 1556892), (144, 1513645), (168, 1297410), (177, 1231440), (180, 1210916), (210, 1037928), (236, 923580), (240, 908187), (252, 864940), (280, 778446), (295, 738864), (315, 691952), (336, 648705), (354, 615720), (360, 605458), (413, 527760), (420, 518964), (472, 461790), (504, 432470), (531, 410480), (560, 389223), (590, 369432), (630, 345976), (708, 307860), (720, 302729), (733, 297360), (826, 263880), (840, 259482), (885, 246288), (944, 230895), (1008, 216235), (1062, 205240), (1180, 184716), (1239, 175920), (1260, 172988), (1416, 153930), (1466, 148680), (1652, 131940), (1680, 129741), (1770, 123144), (2065, 105552), (2124, 102620), (2199, 99120), (2360, 92358), (2478, 87960), (2520, 86494), (2655, 82096), (2832, 76965), (2932, 74340), (3304, 65970), (3540, 61572), (3665, 59472), (3717, 58640), (4130, 52776), (4248, 51310), (4398, 49560), (4720, 46179), (4956, 43980), (5040, 43247), (5131, 42480), (5310, 41048), (5864, 37170), (6195, 35184), (6597, 33040), (6608, 32985), (7080, 30786), (7330, 29736), (7434, 29320), (8260, 26388), (8496, 25655), (8796, 24780), (9912, 21990), (10262, 21240), (10620, 20524), (10995, 19824), (11728, 18585), (12390, 17592), (13194, 16520), (14160, 15393), (14660, 14868)]