205991280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:900

約数の個数: 240

約数和(自身を含む): 779950080

約数和(自身を除く): 573958800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 99, 110, 120, 124, 132, 144, 155, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 496, 528, 558, 620, 660, 682, 720, 744, 792, 839, 880, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1488, 1584, 1678, 1705, 1860, 1980, 2046, 2232, 2480, 2517, 2640, 2728, 2790, 3069, 3356, 3410, 3720, 3960, 4092, 4195, 4464, 5034, 5115, 5456, 5580, 6138, 6712, 6820, 7440, 7551, 7920, 8184, 8390, 9229, 10068, 10230, 11160, 12276, 12585, 13424, 13640, 15102, 15345, 16368, 16780, 18458, 20136, 20460, 22320, 24552, 25170, 26009, 27280, 27687, 30204, 30690, 33560, 36916, 37755, 40272, 40920, 46145, 49104, 50340, 52018, 55374, 60408, 61380, 67120, 73832, 75510, 78027, 81840, 83061, 92290, 100680, 104036, 110748, 120816, 122760, 130045, 138435, 147664, 151020, 156054, 166122, 184580, 201360, 208072, 221496, 234081, 245520, 260090, 276870, 286099, 302040, 312108, 332244, 369160, 390135, 415305, 416144, 442992, 468162, 520180, 553740, 572198, 604080, 624216, 664488, 738320, 780270, 830610, 858297, 936324, 1040360, 1107480, 1144396, 1170405, 1248432, 1328976, 1430495, 1560540, 1661220, 1716594, 1872648, 2080720, 2214960, 2288792, 2340810, 2574891, 2860990, 3121080, 3322440, 3433188, 3745296, 4291485, 4577584, 4681620, 5149782, 5721980, 6242160, 6644880, 6866376, 8582970, 9363240, 10299564, 11443960, 12874455, 13732752, 17165940, 18726480, 20599128, 22887920, 25748910, 34331880, 41198256, 51497820, 68663760, 102995640, 205991280]

約数ペア:

[(1, 205991280), (2, 102995640), (3, 68663760), (4, 51497820), (5, 41198256), (6, 34331880), (8, 25748910), (9, 22887920), (10, 20599128), (11, 18726480), (12, 17165940), (15, 13732752), (16, 12874455), (18, 11443960), (20, 10299564), (22, 9363240), (24, 8582970), (30, 6866376), (31, 6644880), (33, 6242160), (36, 5721980), (40, 5149782), (44, 4681620), (45, 4577584), (48, 4291485), (55, 3745296), (60, 3433188), (62, 3322440), (66, 3121080), (72, 2860990), (80, 2574891), (88, 2340810), (90, 2288792), (93, 2214960), (99, 2080720), (110, 1872648), (120, 1716594), (124, 1661220), (132, 1560540), (144, 1430495), (155, 1328976), (165, 1248432), (176, 1170405), (180, 1144396), (186, 1107480), (198, 1040360), (220, 936324), (240, 858297), (248, 830610), (264, 780270), (279, 738320), (310, 664488), (330, 624216), (341, 604080), (360, 572198), (372, 553740), (396, 520180), (440, 468162), (465, 442992), (495, 416144), (496, 415305), (528, 390135), (558, 369160), (620, 332244), (660, 312108), (682, 302040), (720, 286099), (744, 276870), (792, 260090), (839, 245520), (880, 234081), (930, 221496), (990, 208072), (1023, 201360), (1116, 184580), (1240, 166122), (1320, 156054), (1364, 151020), (1395, 147664), (1488, 138435), (1584, 130045), (1678, 122760), (1705, 120816), (1860, 110748), (1980, 104036), (2046, 100680), (2232, 92290), (2480, 83061), (2517, 81840), (2640, 78027), (2728, 75510), (2790, 73832), (3069, 67120), (3356, 61380), (3410, 60408), (3720, 55374), (3960, 52018), (4092, 50340), (4195, 49104), (4464, 46145), (5034, 40920), (5115, 40272), (5456, 37755), (5580, 36916), (6138, 33560), (6712, 30690), (6820, 30204), (7440, 27687), (7551, 27280), (7920, 26009), (8184, 25170), (8390, 24552), (9229, 22320), (10068, 20460), (10230, 20136), (11160, 18458), (12276, 16780), (12585, 16368), (13424, 15345), (13640, 15102)]