255123960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:478

約数の個数: 256

約数和(自身を含む): 959938560

約数和(自身を除く): 704814600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 61, 65, 70, 78, 84, 91, 104, 105, 120, 122, 130, 140, 156, 168, 182, 183, 195, 210, 244, 260, 273, 280, 305, 312, 364, 366, 383, 390, 420, 427, 455, 488, 520, 546, 610, 728, 732, 766, 780, 793, 840, 854, 910, 915, 1092, 1149, 1220, 1281, 1365, 1464, 1532, 1560, 1586, 1708, 1820, 1830, 1915, 2135, 2184, 2298, 2379, 2440, 2562, 2681, 2730, 3064, 3172, 3416, 3640, 3660, 3830, 3965, 4270, 4596, 4758, 4979, 5124, 5362, 5460, 5551, 5745, 6344, 6405, 7320, 7660, 7930, 8043, 8540, 9192, 9516, 9958, 10248, 10724, 10920, 11102, 11490, 11895, 12810, 13405, 14937, 15320, 15860, 16086, 16653, 17080, 19032, 19916, 21448, 22204, 22980, 23363, 23790, 24895, 25620, 26810, 27755, 29874, 31720, 32172, 33306, 34853, 39832, 40215, 44408, 45960, 46726, 47580, 49790, 51240, 53620, 55510, 59748, 64344, 66612, 69706, 70089, 74685, 80430, 83265, 93452, 95160, 99580, 104559, 107240, 111020, 116815, 119496, 133224, 139412, 140178, 149370, 160860, 163541, 166530, 174265, 186904, 199160, 209118, 222040, 233630, 278824, 280356, 298740, 303719, 321720, 327082, 333060, 348530, 350445, 418236, 467260, 490623, 522795, 560712, 597480, 607438, 654164, 666120, 697060, 700890, 817705, 836472, 911157, 934520, 981246, 1045590, 1214876, 1308328, 1394120, 1401780, 1518595, 1635410, 1822314, 1962492, 2091180, 2126033, 2429752, 2453115, 2803560, 3037190, 3270820, 3644628, 3924984, 4182360, 4252066, 4555785, 4906230, 6074380, 6378099, 6541640, 7289256, 8504132, 9111570, 9812460, 10630165, 12148760, 12756198, 17008264, 18223140, 19624920, 21260330, 25512396, 31890495, 36446280, 42520660, 51024792, 63780990, 85041320, 127561980, 255123960]

約数ペア:

[(1, 255123960), (2, 127561980), (3, 85041320), (4, 63780990), (5, 51024792), (6, 42520660), (7, 36446280), (8, 31890495), (10, 25512396), (12, 21260330), (13, 19624920), (14, 18223140), (15, 17008264), (20, 12756198), (21, 12148760), (24, 10630165), (26, 9812460), (28, 9111570), (30, 8504132), (35, 7289256), (39, 6541640), (40, 6378099), (42, 6074380), (52, 4906230), (56, 4555785), (60, 4252066), (61, 4182360), (65, 3924984), (70, 3644628), (78, 3270820), (84, 3037190), (91, 2803560), (104, 2453115), (105, 2429752), (120, 2126033), (122, 2091180), (130, 1962492), (140, 1822314), (156, 1635410), (168, 1518595), (182, 1401780), (183, 1394120), (195, 1308328), (210, 1214876), (244, 1045590), (260, 981246), (273, 934520), (280, 911157), (305, 836472), (312, 817705), (364, 700890), (366, 697060), (383, 666120), (390, 654164), (420, 607438), (427, 597480), (455, 560712), (488, 522795), (520, 490623), (546, 467260), (610, 418236), (728, 350445), (732, 348530), (766, 333060), (780, 327082), (793, 321720), (840, 303719), (854, 298740), (910, 280356), (915, 278824), (1092, 233630), (1149, 222040), (1220, 209118), (1281, 199160), (1365, 186904), (1464, 174265), (1532, 166530), (1560, 163541), (1586, 160860), (1708, 149370), (1820, 140178), (1830, 139412), (1915, 133224), (2135, 119496), (2184, 116815), (2298, 111020), (2379, 107240), (2440, 104559), (2562, 99580), (2681, 95160), (2730, 93452), (3064, 83265), (3172, 80430), (3416, 74685), (3640, 70089), (3660, 69706), (3830, 66612), (3965, 64344), (4270, 59748), (4596, 55510), (4758, 53620), (4979, 51240), (5124, 49790), (5362, 47580), (5460, 46726), (5551, 45960), (5745, 44408), (6344, 40215), (6405, 39832), (7320, 34853), (7660, 33306), (7930, 32172), (8043, 31720), (8540, 29874), (9192, 27755), (9516, 26810), (9958, 25620), (10248, 24895), (10724, 23790), (10920, 23363), (11102, 22980), (11490, 22204), (11895, 21448), (12810, 19916), (13405, 19032), (14937, 17080), (15320, 16653), (15860, 16086)]