80856720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 240

約数和(自身を含む): 316622592

約数和(自身を除く): 235765872

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, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 263, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 526, 549, 560, 610, 630, 720, 732, 789, 840, 854, 915, 976, 1008, 1052, 1098, 1220, 1260, 1281, 1315, 1464, 1578, 1680, 1708, 1830, 1841, 2104, 2135, 2196, 2367, 2440, 2520, 2562, 2630, 2745, 2928, 3156, 3416, 3660, 3682, 3843, 3945, 4208, 4270, 4392, 4734, 4880, 5040, 5124, 5260, 5490, 5523, 6312, 6405, 6832, 7320, 7364, 7686, 7890, 8540, 8784, 9205, 9468, 10248, 10520, 10980, 11046, 11835, 12624, 12810, 14640, 14728, 15372, 15780, 16043, 16569, 17080, 18410, 18936, 19215, 20496, 21040, 21960, 22092, 23670, 25620, 27615, 29456, 30744, 31560, 32086, 33138, 34160, 36820, 37872, 38430, 43920, 44184, 47340, 48129, 51240, 55230, 61488, 63120, 64172, 66276, 73640, 76860, 80215, 82845, 88368, 94680, 96258, 102480, 110460, 112301, 128344, 132552, 144387, 147280, 153720, 160430, 165690, 189360, 192516, 220920, 224602, 240645, 256688, 265104, 288774, 307440, 320860, 331380, 336903, 385032, 441840, 449204, 481290, 561505, 577548, 641720, 662760, 673806, 721935, 770064, 898408, 962580, 1010709, 1123010, 1155096, 1283440, 1325520, 1347612, 1443870, 1684515, 1796816, 1925160, 2021418, 2246020, 2310192, 2695224, 2887740, 3369030, 3850320, 4042836, 4492040, 5053545, 5390448, 5775480, 6738060, 8085672, 8984080, 10107090, 11550960, 13476120, 16171344, 20214180, 26952240, 40428360, 80856720]

約数ペア:

[(1, 80856720), (2, 40428360), (3, 26952240), (4, 20214180), (5, 16171344), (6, 13476120), (7, 11550960), (8, 10107090), (9, 8984080), (10, 8085672), (12, 6738060), (14, 5775480), (15, 5390448), (16, 5053545), (18, 4492040), (20, 4042836), (21, 3850320), (24, 3369030), (28, 2887740), (30, 2695224), (35, 2310192), (36, 2246020), (40, 2021418), (42, 1925160), (45, 1796816), (48, 1684515), (56, 1443870), (60, 1347612), (61, 1325520), (63, 1283440), (70, 1155096), (72, 1123010), (80, 1010709), (84, 962580), (90, 898408), (105, 770064), (112, 721935), (120, 673806), (122, 662760), (126, 641720), (140, 577548), (144, 561505), (168, 481290), (180, 449204), (183, 441840), (210, 385032), (240, 336903), (244, 331380), (252, 320860), (263, 307440), (280, 288774), (305, 265104), (315, 256688), (336, 240645), (360, 224602), (366, 220920), (420, 192516), (427, 189360), (488, 165690), (504, 160430), (526, 153720), (549, 147280), (560, 144387), (610, 132552), (630, 128344), (720, 112301), (732, 110460), (789, 102480), (840, 96258), (854, 94680), (915, 88368), (976, 82845), (1008, 80215), (1052, 76860), (1098, 73640), (1220, 66276), (1260, 64172), (1281, 63120), (1315, 61488), (1464, 55230), (1578, 51240), (1680, 48129), (1708, 47340), (1830, 44184), (1841, 43920), (2104, 38430), (2135, 37872), (2196, 36820), (2367, 34160), (2440, 33138), (2520, 32086), (2562, 31560), (2630, 30744), (2745, 29456), (2928, 27615), (3156, 25620), (3416, 23670), (3660, 22092), (3682, 21960), (3843, 21040), (3945, 20496), (4208, 19215), (4270, 18936), (4392, 18410), (4734, 17080), (4880, 16569), (5040, 16043), (5124, 15780), (5260, 15372), (5490, 14728), (5523, 14640), (6312, 12810), (6405, 12624), (6832, 11835), (7320, 11046), (7364, 10980), (7686, 10520), (7890, 10248), (8540, 9468), (8784, 9205)]