205514640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:302

約数の個数: 240

約数和(自身を含む): 739327680

約数和(自身を除く): 533813040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 83, 90, 95, 114, 120, 144, 152, 166, 171, 180, 181, 190, 228, 240, 249, 285, 304, 332, 342, 360, 362, 380, 415, 456, 498, 543, 570, 664, 684, 720, 724, 747, 760, 830, 855, 905, 912, 996, 1086, 1140, 1245, 1328, 1368, 1448, 1494, 1520, 1577, 1629, 1660, 1710, 1810, 1992, 2172, 2280, 2490, 2715, 2736, 2896, 2988, 3154, 3258, 3320, 3420, 3439, 3620, 3735, 3984, 4344, 4560, 4731, 4980, 5430, 5976, 6308, 6516, 6640, 6840, 6878, 7240, 7470, 7885, 8145, 8688, 9462, 9960, 10317, 10860, 11952, 12616, 13032, 13680, 13756, 14193, 14480, 14940, 15023, 15770, 16290, 17195, 18924, 19920, 20634, 21720, 23655, 25232, 26064, 27512, 28386, 29880, 30046, 30951, 31540, 32580, 34390, 37848, 41268, 43440, 45069, 47310, 51585, 55024, 56772, 59760, 60092, 61902, 63080, 65160, 68780, 70965, 75115, 75696, 82536, 90138, 94620, 103170, 113544, 120184, 123804, 126160, 130320, 135207, 137560, 141930, 150230, 154755, 165072, 180276, 189240, 206340, 225345, 227088, 240368, 247608, 270414, 275120, 283860, 285437, 300460, 309510, 360552, 378480, 412680, 450690, 495216, 540828, 567720, 570874, 600920, 619020, 676035, 721104, 825360, 856311, 901380, 1081656, 1135440, 1141748, 1201840, 1238040, 1352070, 1427185, 1712622, 1802760, 2163312, 2283496, 2476080, 2568933, 2704140, 2854370, 3425244, 3605520, 4281555, 4566992, 5137866, 5408280, 5708740, 6850488, 8563110, 10275732, 10816560, 11417480, 12844665, 13700976, 17126220, 20551464, 22834960, 25689330, 34252440, 41102928, 51378660, 68504880, 102757320, 205514640]

約数ペア:

[(1, 205514640), (2, 102757320), (3, 68504880), (4, 51378660), (5, 41102928), (6, 34252440), (8, 25689330), (9, 22834960), (10, 20551464), (12, 17126220), (15, 13700976), (16, 12844665), (18, 11417480), (19, 10816560), (20, 10275732), (24, 8563110), (30, 6850488), (36, 5708740), (38, 5408280), (40, 5137866), (45, 4566992), (48, 4281555), (57, 3605520), (60, 3425244), (72, 2854370), (76, 2704140), (80, 2568933), (83, 2476080), (90, 2283496), (95, 2163312), (114, 1802760), (120, 1712622), (144, 1427185), (152, 1352070), (166, 1238040), (171, 1201840), (180, 1141748), (181, 1135440), (190, 1081656), (228, 901380), (240, 856311), (249, 825360), (285, 721104), (304, 676035), (332, 619020), (342, 600920), (360, 570874), (362, 567720), (380, 540828), (415, 495216), (456, 450690), (498, 412680), (543, 378480), (570, 360552), (664, 309510), (684, 300460), (720, 285437), (724, 283860), (747, 275120), (760, 270414), (830, 247608), (855, 240368), (905, 227088), (912, 225345), (996, 206340), (1086, 189240), (1140, 180276), (1245, 165072), (1328, 154755), (1368, 150230), (1448, 141930), (1494, 137560), (1520, 135207), (1577, 130320), (1629, 126160), (1660, 123804), (1710, 120184), (1810, 113544), (1992, 103170), (2172, 94620), (2280, 90138), (2490, 82536), (2715, 75696), (2736, 75115), (2896, 70965), (2988, 68780), (3154, 65160), (3258, 63080), (3320, 61902), (3420, 60092), (3439, 59760), (3620, 56772), (3735, 55024), (3984, 51585), (4344, 47310), (4560, 45069), (4731, 43440), (4980, 41268), (5430, 37848), (5976, 34390), (6308, 32580), (6516, 31540), (6640, 30951), (6840, 30046), (6878, 29880), (7240, 28386), (7470, 27512), (7885, 26064), (8145, 25232), (8688, 23655), (9462, 21720), (9960, 20634), (10317, 19920), (10860, 18924), (11952, 17195), (12616, 16290), (13032, 15770), (13680, 15023), (13756, 14940), (14193, 14480)]