1279818720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1613}}^1$

素因数の和:1682

約数の個数: 288

約数和(自身を含む): 4758717600

約数和(自身を除く): 3478898880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 29, 30, 32, 36, 38, 40, 45, 48, 57, 58, 60, 72, 76, 80, 87, 90, 95, 96, 114, 116, 120, 144, 145, 152, 160, 171, 174, 180, 190, 228, 232, 240, 261, 285, 288, 290, 304, 342, 348, 360, 380, 435, 456, 464, 480, 522, 551, 570, 580, 608, 684, 696, 720, 760, 855, 870, 912, 928, 1044, 1102, 1140, 1160, 1305, 1368, 1392, 1440, 1520, 1613, 1653, 1710, 1740, 1824, 2088, 2204, 2280, 2320, 2610, 2736, 2755, 2784, 3040, 3226, 3306, 3420, 3480, 4176, 4408, 4560, 4640, 4839, 4959, 5220, 5472, 5510, 6452, 6612, 6840, 6960, 8065, 8265, 8352, 8816, 9120, 9678, 9918, 10440, 11020, 12904, 13224, 13680, 13920, 14517, 16130, 16530, 17632, 19356, 19836, 20880, 22040, 24195, 24795, 25808, 26448, 27360, 29034, 30647, 32260, 33060, 38712, 39672, 41760, 44080, 46777, 48390, 49590, 51616, 52896, 58068, 61294, 64520, 66120, 72585, 77424, 79344, 88160, 91941, 93554, 96780, 99180, 116136, 122588, 129040, 132240, 140331, 145170, 153235, 154848, 158688, 183882, 187108, 193560, 198360, 232272, 233885, 245176, 258080, 264480, 275823, 280662, 290340, 306470, 367764, 374216, 387120, 396720, 420993, 459705, 464544, 467770, 490352, 551646, 561324, 580680, 612940, 701655, 735528, 748432, 774240, 793440, 841986, 888763, 919410, 935540, 980704, 1103292, 1122648, 1161360, 1225880, 1379115, 1403310, 1471056, 1496864, 1683972, 1777526, 1838820, 1871080, 2104965, 2206584, 2245296, 2322720, 2451760, 2666289, 2758230, 2806620, 2942112, 3367944, 3555052, 3677640, 3742160, 4209930, 4413168, 4443815, 4490592, 4903520, 5332578, 5516460, 5613240, 6735888, 7110104, 7355280, 7484320, 7998867, 8419860, 8826336, 8887630, 10665156, 11032920, 11226480, 13331445, 13471776, 14220208, 14710560, 15997734, 16839720, 17775260, 21330312, 22065840, 22452960, 26662890, 28440416, 31995468, 33679440, 35550520, 39994335, 42660624, 44131680, 53325780, 63990936, 67358880, 71101040, 79988670, 85321248, 106651560, 127981872, 142202080, 159977340, 213303120, 255963744, 319954680, 426606240, 639909360, 1279818720]

約数ペア:

[(1, 1279818720), (2, 639909360), (3, 426606240), (4, 319954680), (5, 255963744), (6, 213303120), (8, 159977340), (9, 142202080), (10, 127981872), (12, 106651560), (15, 85321248), (16, 79988670), (18, 71101040), (19, 67358880), (20, 63990936), (24, 53325780), (29, 44131680), (30, 42660624), (32, 39994335), (36, 35550520), (38, 33679440), (40, 31995468), (45, 28440416), (48, 26662890), (57, 22452960), (58, 22065840), (60, 21330312), (72, 17775260), (76, 16839720), (80, 15997734), (87, 14710560), (90, 14220208), (95, 13471776), (96, 13331445), (114, 11226480), (116, 11032920), (120, 10665156), (144, 8887630), (145, 8826336), (152, 8419860), (160, 7998867), (171, 7484320), (174, 7355280), (180, 7110104), (190, 6735888), (228, 5613240), (232, 5516460), (240, 5332578), (261, 4903520), (285, 4490592), (288, 4443815), (290, 4413168), (304, 4209930), (342, 3742160), (348, 3677640), (360, 3555052), (380, 3367944), (435, 2942112), (456, 2806620), (464, 2758230), (480, 2666289), (522, 2451760), (551, 2322720), (570, 2245296), (580, 2206584), (608, 2104965), (684, 1871080), (696, 1838820), (720, 1777526), (760, 1683972), (855, 1496864), (870, 1471056), (912, 1403310), (928, 1379115), (1044, 1225880), (1102, 1161360), (1140, 1122648), (1160, 1103292), (1305, 980704), (1368, 935540), (1392, 919410), (1440, 888763), (1520, 841986), (1613, 793440), (1653, 774240), (1710, 748432), (1740, 735528), (1824, 701655), (2088, 612940), (2204, 580680), (2280, 561324), (2320, 551646), (2610, 490352), (2736, 467770), (2755, 464544), (2784, 459705), (3040, 420993), (3226, 396720), (3306, 387120), (3420, 374216), (3480, 367764), (4176, 306470), (4408, 290340), (4560, 280662), (4640, 275823), (4839, 264480), (4959, 258080), (5220, 245176), (5472, 233885), (5510, 232272), (6452, 198360), (6612, 193560), (6840, 187108), (6960, 183882), (8065, 158688), (8265, 154848), (8352, 153235), (8816, 145170), (9120, 140331), (9678, 132240), (9918, 129040), (10440, 122588), (11020, 116136), (12904, 99180), (13224, 96780), (13680, 93554), (13920, 91941), (14517, 88160), (16130, 79344), (16530, 77424), (17632, 72585), (19356, 66120), (19836, 64520), (20880, 61294), (22040, 58068), (24195, 52896), (24795, 51616), (25808, 49590), (26448, 48390), (27360, 46777), (29034, 44080), (30647, 41760), (32260, 39672), (33060, 38712)]