221964960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2187

約数の個数: 192

約数和(自身を含む): 825237504

約数和(自身を除く): 603272544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1240, 1302, 1488, 1680, 1736, 1860, 2131, 2170, 2480, 2604, 2976, 3255, 3360, 3472, 3720, 4262, 4340, 4960, 5208, 6393, 6510, 6944, 7440, 8524, 8680, 10416, 10655, 12786, 13020, 14880, 14917, 17048, 17360, 20832, 21310, 25572, 26040, 29834, 31965, 34096, 34720, 42620, 44751, 51144, 52080, 59668, 63930, 66061, 68192, 74585, 85240, 89502, 102288, 104160, 119336, 127860, 132122, 149170, 170480, 179004, 198183, 204576, 223755, 238672, 255720, 264244, 298340, 330305, 340960, 358008, 396366, 447510, 462427, 477344, 511440, 528488, 596680, 660610, 716016, 792732, 895020, 924854, 990915, 1022880, 1056976, 1193360, 1321220, 1387281, 1432032, 1585464, 1790040, 1849708, 1981830, 2113952, 2312135, 2386720, 2642440, 2774562, 3170928, 3580080, 3699416, 3963660, 4624270, 5284880, 5549124, 6341856, 6936405, 7160160, 7398832, 7927320, 9248540, 10569760, 11098248, 13872810, 14797664, 15854640, 18497080, 22196496, 27745620, 31709280, 36994160, 44392992, 55491240, 73988320, 110982480, 221964960]

約数ペア:

[(1, 221964960), (2, 110982480), (3, 73988320), (4, 55491240), (5, 44392992), (6, 36994160), (7, 31709280), (8, 27745620), (10, 22196496), (12, 18497080), (14, 15854640), (15, 14797664), (16, 13872810), (20, 11098248), (21, 10569760), (24, 9248540), (28, 7927320), (30, 7398832), (31, 7160160), (32, 6936405), (35, 6341856), (40, 5549124), (42, 5284880), (48, 4624270), (56, 3963660), (60, 3699416), (62, 3580080), (70, 3170928), (80, 2774562), (84, 2642440), (93, 2386720), (96, 2312135), (105, 2113952), (112, 1981830), (120, 1849708), (124, 1790040), (140, 1585464), (155, 1432032), (160, 1387281), (168, 1321220), (186, 1193360), (210, 1056976), (217, 1022880), (224, 990915), (240, 924854), (248, 895020), (280, 792732), (310, 716016), (336, 660610), (372, 596680), (420, 528488), (434, 511440), (465, 477344), (480, 462427), (496, 447510), (560, 396366), (620, 358008), (651, 340960), (672, 330305), (744, 298340), (840, 264244), (868, 255720), (930, 238672), (992, 223755), (1085, 204576), (1120, 198183), (1240, 179004), (1302, 170480), (1488, 149170), (1680, 132122), (1736, 127860), (1860, 119336), (2131, 104160), (2170, 102288), (2480, 89502), (2604, 85240), (2976, 74585), (3255, 68192), (3360, 66061), (3472, 63930), (3720, 59668), (4262, 52080), (4340, 51144), (4960, 44751), (5208, 42620), (6393, 34720), (6510, 34096), (6944, 31965), (7440, 29834), (8524, 26040), (8680, 25572), (10416, 21310), (10655, 20832), (12786, 17360), (13020, 17048), (14880, 14917)]