320654880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2488

約数の個数: 288

約数和(自身を含む): 1347300864

約数和(自身を除く): 1026645984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 32, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 96, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 160, 168, 180, 182, 195, 208, 210, 224, 234, 240, 252, 260, 273, 280, 288, 312, 315, 336, 360, 364, 390, 416, 420, 455, 468, 480, 504, 520, 546, 560, 585, 624, 630, 672, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1120, 1170, 1248, 1260, 1365, 1440, 1456, 1560, 1638, 1680, 1820, 1872, 2016, 2080, 2184, 2340, 2447, 2520, 2730, 2912, 3120, 3276, 3360, 3640, 3744, 4095, 4368, 4680, 4894, 5040, 5460, 6240, 6552, 7280, 7341, 8190, 8736, 9360, 9788, 10080, 10920, 12235, 13104, 14560, 14682, 16380, 17129, 18720, 19576, 21840, 22023, 24470, 26208, 29364, 31811, 32760, 34258, 36705, 39152, 43680, 44046, 48940, 51387, 58728, 63622, 65520, 68516, 73410, 78304, 85645, 88092, 95433, 97880, 102774, 110115, 117456, 127244, 131040, 137032, 146820, 154161, 159055, 171290, 176184, 190866, 195760, 205548, 220230, 222677, 234912, 254488, 256935, 274064, 286299, 293640, 308322, 318110, 342580, 352368, 381732, 391520, 411096, 440460, 445354, 477165, 508976, 513870, 548128, 572598, 587280, 616644, 636220, 668031, 685160, 704736, 763464, 770805, 822192, 880920, 890708, 954330, 1017952, 1027740, 1113385, 1145196, 1174560, 1233288, 1272440, 1336062, 1370320, 1431495, 1526928, 1541610, 1644384, 1761840, 1781416, 1908660, 2004093, 2055480, 2226770, 2290392, 2466576, 2544880, 2672124, 2740640, 2862990, 3053856, 3083220, 3340155, 3523680, 3562832, 3817320, 4008186, 4110960, 4453540, 4580784, 4933152, 5089760, 5344248, 5725980, 6166440, 6680310, 7125664, 7634640, 8016372, 8221920, 8907080, 9161568, 10020465, 10688496, 11451960, 12332880, 13360620, 15269280, 16032744, 17814160, 20040930, 21376992, 22903920, 24665760, 26721240, 32065488, 35628320, 40081860, 45807840, 53442480, 64130976, 80163720, 106884960, 160327440, 320654880]

約数ペア:

[(1, 320654880), (2, 160327440), (3, 106884960), (4, 80163720), (5, 64130976), (6, 53442480), (7, 45807840), (8, 40081860), (9, 35628320), (10, 32065488), (12, 26721240), (13, 24665760), (14, 22903920), (15, 21376992), (16, 20040930), (18, 17814160), (20, 16032744), (21, 15269280), (24, 13360620), (26, 12332880), (28, 11451960), (30, 10688496), (32, 10020465), (35, 9161568), (36, 8907080), (39, 8221920), (40, 8016372), (42, 7634640), (45, 7125664), (48, 6680310), (52, 6166440), (56, 5725980), (60, 5344248), (63, 5089760), (65, 4933152), (70, 4580784), (72, 4453540), (78, 4110960), (80, 4008186), (84, 3817320), (90, 3562832), (91, 3523680), (96, 3340155), (104, 3083220), (105, 3053856), (112, 2862990), (117, 2740640), (120, 2672124), (126, 2544880), (130, 2466576), (140, 2290392), (144, 2226770), (156, 2055480), (160, 2004093), (168, 1908660), (180, 1781416), (182, 1761840), (195, 1644384), (208, 1541610), (210, 1526928), (224, 1431495), (234, 1370320), (240, 1336062), (252, 1272440), (260, 1233288), (273, 1174560), (280, 1145196), (288, 1113385), (312, 1027740), (315, 1017952), (336, 954330), (360, 890708), (364, 880920), (390, 822192), (416, 770805), (420, 763464), (455, 704736), (468, 685160), (480, 668031), (504, 636220), (520, 616644), (546, 587280), (560, 572598), (585, 548128), (624, 513870), (630, 508976), (672, 477165), (720, 445354), (728, 440460), (780, 411096), (819, 391520), (840, 381732), (910, 352368), (936, 342580), (1008, 318110), (1040, 308322), (1092, 293640), (1120, 286299), (1170, 274064), (1248, 256935), (1260, 254488), (1365, 234912), (1440, 222677), (1456, 220230), (1560, 205548), (1638, 195760), (1680, 190866), (1820, 176184), (1872, 171290), (2016, 159055), (2080, 154161), (2184, 146820), (2340, 137032), (2447, 131040), (2520, 127244), (2730, 117456), (2912, 110115), (3120, 102774), (3276, 97880), (3360, 95433), (3640, 88092), (3744, 85645), (4095, 78304), (4368, 73410), (4680, 68516), (4894, 65520), (5040, 63622), (5460, 58728), (6240, 51387), (6552, 48940), (7280, 44046), (7341, 43680), (8190, 39152), (8736, 36705), (9360, 34258), (9788, 32760), (10080, 31811), (10920, 29364), (12235, 26208), (13104, 24470), (14560, 22023), (14682, 21840), (16380, 19576), (17129, 18720)]