668722320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:782

約数の個数: 240

約数和(自身を含む): 2581263360

約数和(自身を除く): 1912541040

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, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 277, 280, 315, 336, 360, 420, 479, 504, 554, 560, 630, 720, 831, 840, 958, 1008, 1108, 1260, 1385, 1437, 1662, 1680, 1916, 1939, 2216, 2395, 2493, 2520, 2770, 2874, 3324, 3353, 3832, 3878, 4155, 4311, 4432, 4790, 4986, 5040, 5540, 5748, 5817, 6648, 6706, 7185, 7664, 7756, 8310, 8622, 9580, 9695, 9972, 10059, 11080, 11496, 11634, 12465, 13296, 13412, 14370, 15512, 16620, 16765, 17244, 17451, 19160, 19390, 19944, 20118, 21555, 22160, 22992, 23268, 24930, 26824, 28740, 29085, 30177, 31024, 33240, 33530, 34488, 34902, 38320, 38780, 39888, 40236, 43110, 46536, 49860, 50295, 53648, 57480, 58170, 60354, 66480, 67060, 68976, 69804, 77560, 80472, 86220, 87255, 93072, 99720, 100590, 114960, 116340, 120708, 132683, 134120, 139608, 150885, 155120, 160944, 172440, 174510, 199440, 201180, 232680, 241416, 265366, 268240, 279216, 301770, 344880, 349020, 398049, 402360, 465360, 482832, 530732, 603540, 663415, 698040, 796098, 804720, 928781, 1061464, 1194147, 1207080, 1326830, 1396080, 1592196, 1857562, 1990245, 2122928, 2388294, 2414160, 2653660, 2786343, 3184392, 3715124, 3980490, 4643905, 4776588, 5307320, 5572686, 5970735, 6368784, 7430248, 7960980, 8359029, 9287810, 9553176, 10614640, 11145372, 11941470, 13931715, 14860496, 15921960, 16718058, 18575620, 19106352, 22290744, 23882940, 27863430, 31843920, 33436116, 37151240, 41795145, 44581488, 47765880, 55726860, 66872232, 74302480, 83590290, 95531760, 111453720, 133744464, 167180580, 222907440, 334361160, 668722320]

約数ペア:

[(1, 668722320), (2, 334361160), (3, 222907440), (4, 167180580), (5, 133744464), (6, 111453720), (7, 95531760), (8, 83590290), (9, 74302480), (10, 66872232), (12, 55726860), (14, 47765880), (15, 44581488), (16, 41795145), (18, 37151240), (20, 33436116), (21, 31843920), (24, 27863430), (28, 23882940), (30, 22290744), (35, 19106352), (36, 18575620), (40, 16718058), (42, 15921960), (45, 14860496), (48, 13931715), (56, 11941470), (60, 11145372), (63, 10614640), (70, 9553176), (72, 9287810), (80, 8359029), (84, 7960980), (90, 7430248), (105, 6368784), (112, 5970735), (120, 5572686), (126, 5307320), (140, 4776588), (144, 4643905), (168, 3980490), (180, 3715124), (210, 3184392), (240, 2786343), (252, 2653660), (277, 2414160), (280, 2388294), (315, 2122928), (336, 1990245), (360, 1857562), (420, 1592196), (479, 1396080), (504, 1326830), (554, 1207080), (560, 1194147), (630, 1061464), (720, 928781), (831, 804720), (840, 796098), (958, 698040), (1008, 663415), (1108, 603540), (1260, 530732), (1385, 482832), (1437, 465360), (1662, 402360), (1680, 398049), (1916, 349020), (1939, 344880), (2216, 301770), (2395, 279216), (2493, 268240), (2520, 265366), (2770, 241416), (2874, 232680), (3324, 201180), (3353, 199440), (3832, 174510), (3878, 172440), (4155, 160944), (4311, 155120), (4432, 150885), (4790, 139608), (4986, 134120), (5040, 132683), (5540, 120708), (5748, 116340), (5817, 114960), (6648, 100590), (6706, 99720), (7185, 93072), (7664, 87255), (7756, 86220), (8310, 80472), (8622, 77560), (9580, 69804), (9695, 68976), (9972, 67060), (10059, 66480), (11080, 60354), (11496, 58170), (11634, 57480), (12465, 53648), (13296, 50295), (13412, 49860), (14370, 46536), (15512, 43110), (16620, 40236), (16765, 39888), (17244, 38780), (17451, 38320), (19160, 34902), (19390, 34488), (19944, 33530), (20118, 33240), (21555, 31024), (22160, 30177), (22992, 29085), (23268, 28740), (24930, 26824)]