215617920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 256

約数和(自身を含む): 801377280

約数和(自身を除く): 585759360

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, 56, 60, 61, 64, 70, 80, 84, 96, 105, 112, 120, 122, 128, 140, 160, 168, 183, 192, 210, 224, 240, 244, 263, 280, 305, 320, 336, 366, 384, 420, 427, 448, 480, 488, 526, 560, 610, 640, 672, 732, 789, 840, 854, 896, 915, 960, 976, 1052, 1120, 1220, 1281, 1315, 1344, 1464, 1578, 1680, 1708, 1830, 1841, 1920, 1952, 2104, 2135, 2240, 2440, 2562, 2630, 2688, 2928, 3156, 3360, 3416, 3660, 3682, 3904, 3945, 4208, 4270, 4480, 4880, 5124, 5260, 5523, 5856, 6312, 6405, 6720, 6832, 7320, 7364, 7808, 7890, 8416, 8540, 9205, 9760, 10248, 10520, 11046, 11712, 12624, 12810, 13440, 13664, 14640, 14728, 15780, 16043, 16832, 17080, 18410, 19520, 20496, 21040, 22092, 23424, 25248, 25620, 27328, 27615, 29280, 29456, 31560, 32086, 33664, 34160, 36820, 39040, 40992, 42080, 44184, 48129, 50496, 51240, 54656, 55230, 58560, 58912, 63120, 64172, 68320, 73640, 80215, 81984, 84160, 88368, 96258, 100992, 102480, 110460, 112301, 117120, 117824, 126240, 128344, 136640, 147280, 160430, 163968, 168320, 176736, 192516, 204960, 220920, 224602, 235648, 240645, 252480, 256688, 273280, 294560, 320860, 336903, 353472, 385032, 409920, 441840, 449204, 481290, 504960, 513376, 561505, 589120, 641720, 673806, 706944, 770064, 819840, 883680, 898408, 962580, 1026752, 1123010, 1178240, 1283440, 1347612, 1540128, 1684515, 1767360, 1796816, 1925160, 2053504, 2246020, 2566880, 2695224, 3080256, 3369030, 3534720, 3593632, 3850320, 4492040, 5133760, 5390448, 6160512, 6738060, 7187264, 7700640, 8984080, 10267520, 10780896, 13476120, 14374528, 15401280, 17968160, 21561792, 26952240, 30802560, 35936320, 43123584, 53904480, 71872640, 107808960, 215617920]

約数ペア:

[(1, 215617920), (2, 107808960), (3, 71872640), (4, 53904480), (5, 43123584), (6, 35936320), (7, 30802560), (8, 26952240), (10, 21561792), (12, 17968160), (14, 15401280), (15, 14374528), (16, 13476120), (20, 10780896), (21, 10267520), (24, 8984080), (28, 7700640), (30, 7187264), (32, 6738060), (35, 6160512), (40, 5390448), (42, 5133760), (48, 4492040), (56, 3850320), (60, 3593632), (61, 3534720), (64, 3369030), (70, 3080256), (80, 2695224), (84, 2566880), (96, 2246020), (105, 2053504), (112, 1925160), (120, 1796816), (122, 1767360), (128, 1684515), (140, 1540128), (160, 1347612), (168, 1283440), (183, 1178240), (192, 1123010), (210, 1026752), (224, 962580), (240, 898408), (244, 883680), (263, 819840), (280, 770064), (305, 706944), (320, 673806), (336, 641720), (366, 589120), (384, 561505), (420, 513376), (427, 504960), (448, 481290), (480, 449204), (488, 441840), (526, 409920), (560, 385032), (610, 353472), (640, 336903), (672, 320860), (732, 294560), (789, 273280), (840, 256688), (854, 252480), (896, 240645), (915, 235648), (960, 224602), (976, 220920), (1052, 204960), (1120, 192516), (1220, 176736), (1281, 168320), (1315, 163968), (1344, 160430), (1464, 147280), (1578, 136640), (1680, 128344), (1708, 126240), (1830, 117824), (1841, 117120), (1920, 112301), (1952, 110460), (2104, 102480), (2135, 100992), (2240, 96258), (2440, 88368), (2562, 84160), (2630, 81984), (2688, 80215), (2928, 73640), (3156, 68320), (3360, 64172), (3416, 63120), (3660, 58912), (3682, 58560), (3904, 55230), (3945, 54656), (4208, 51240), (4270, 50496), (4480, 48129), (4880, 44184), (5124, 42080), (5260, 40992), (5523, 39040), (5856, 36820), (6312, 34160), (6405, 33664), (6720, 32086), (6832, 31560), (7320, 29456), (7364, 29280), (7808, 27615), (7890, 27328), (8416, 25620), (8540, 25248), (9205, 23424), (9760, 22092), (10248, 21040), (10520, 20496), (11046, 19520), (11712, 18410), (12624, 17080), (12810, 16832), (13440, 16043), (13664, 15780), (14640, 14728)]