208691280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:954

約数の個数: 240

約数和(自身を含む): 818947584

約数和(自身を除く): 610256304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 105, 112, 120, 126, 140, 141, 144, 168, 180, 188, 210, 235, 240, 252, 280, 282, 315, 329, 336, 360, 376, 420, 423, 470, 504, 560, 564, 630, 658, 705, 720, 752, 840, 846, 881, 940, 987, 1008, 1128, 1260, 1316, 1410, 1645, 1680, 1692, 1762, 1880, 1974, 2115, 2256, 2520, 2632, 2643, 2820, 2961, 3290, 3384, 3524, 3760, 3948, 4230, 4405, 4935, 5040, 5264, 5286, 5640, 5922, 6167, 6580, 6768, 7048, 7896, 7929, 8460, 8810, 9870, 10572, 11280, 11844, 12334, 13160, 13215, 14096, 14805, 15792, 15858, 16920, 17620, 18501, 19740, 21144, 23688, 24668, 26320, 26430, 29610, 30835, 31716, 33840, 35240, 37002, 39480, 39645, 41407, 42288, 47376, 49336, 52860, 55503, 59220, 61670, 63432, 70480, 74004, 78960, 79290, 82814, 92505, 98672, 105720, 111006, 118440, 123340, 124221, 126864, 148008, 158580, 165628, 185010, 207035, 211440, 222012, 236880, 246680, 248442, 277515, 289849, 296016, 317160, 331256, 370020, 372663, 414070, 444024, 493360, 496884, 555030, 579698, 621105, 634320, 662512, 740040, 745326, 828140, 869547, 888048, 993768, 1110060, 1159396, 1242210, 1449245, 1480080, 1490652, 1656280, 1739094, 1863315, 1987536, 2220120, 2318792, 2484420, 2608641, 2898490, 2981304, 3312560, 3478188, 3726630, 4347735, 4440240, 4637584, 4968840, 5217282, 5796980, 5962608, 6956376, 7453260, 8695470, 9937680, 10434564, 11593960, 13043205, 13912752, 14906520, 17390940, 20869128, 23187920, 26086410, 29813040, 34781880, 41738256, 52172820, 69563760, 104345640, 208691280]

約数ペア:

[(1, 208691280), (2, 104345640), (3, 69563760), (4, 52172820), (5, 41738256), (6, 34781880), (7, 29813040), (8, 26086410), (9, 23187920), (10, 20869128), (12, 17390940), (14, 14906520), (15, 13912752), (16, 13043205), (18, 11593960), (20, 10434564), (21, 9937680), (24, 8695470), (28, 7453260), (30, 6956376), (35, 5962608), (36, 5796980), (40, 5217282), (42, 4968840), (45, 4637584), (47, 4440240), (48, 4347735), (56, 3726630), (60, 3478188), (63, 3312560), (70, 2981304), (72, 2898490), (80, 2608641), (84, 2484420), (90, 2318792), (94, 2220120), (105, 1987536), (112, 1863315), (120, 1739094), (126, 1656280), (140, 1490652), (141, 1480080), (144, 1449245), (168, 1242210), (180, 1159396), (188, 1110060), (210, 993768), (235, 888048), (240, 869547), (252, 828140), (280, 745326), (282, 740040), (315, 662512), (329, 634320), (336, 621105), (360, 579698), (376, 555030), (420, 496884), (423, 493360), (470, 444024), (504, 414070), (560, 372663), (564, 370020), (630, 331256), (658, 317160), (705, 296016), (720, 289849), (752, 277515), (840, 248442), (846, 246680), (881, 236880), (940, 222012), (987, 211440), (1008, 207035), (1128, 185010), (1260, 165628), (1316, 158580), (1410, 148008), (1645, 126864), (1680, 124221), (1692, 123340), (1762, 118440), (1880, 111006), (1974, 105720), (2115, 98672), (2256, 92505), (2520, 82814), (2632, 79290), (2643, 78960), (2820, 74004), (2961, 70480), (3290, 63432), (3384, 61670), (3524, 59220), (3760, 55503), (3948, 52860), (4230, 49336), (4405, 47376), (4935, 42288), (5040, 41407), (5264, 39645), (5286, 39480), (5640, 37002), (5922, 35240), (6167, 33840), (6580, 31716), (6768, 30835), (7048, 29610), (7896, 26430), (7929, 26320), (8460, 24668), (8810, 23688), (9870, 21144), (10572, 19740), (11280, 18501), (11844, 17620), (12334, 16920), (13160, 15858), (13215, 15792), (14096, 14805)]