206781408

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 679311360

約数和(自身を除く): 472529952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 23, 24, 31, 32, 36, 38, 46, 48, 53, 57, 62, 69, 72, 76, 92, 93, 96, 106, 114, 124, 138, 144, 152, 159, 171, 184, 186, 207, 212, 228, 248, 276, 279, 288, 304, 318, 342, 368, 372, 414, 424, 437, 456, 477, 496, 552, 558, 589, 608, 636, 684, 713, 736, 744, 828, 848, 874, 912, 954, 992, 1007, 1104, 1116, 1178, 1219, 1272, 1311, 1368, 1426, 1488, 1643, 1656, 1696, 1748, 1767, 1824, 1908, 2014, 2139, 2208, 2232, 2356, 2438, 2544, 2622, 2736, 2852, 2976, 3021, 3286, 3312, 3496, 3534, 3657, 3816, 3933, 4028, 4278, 4464, 4712, 4876, 4929, 5088, 5244, 5301, 5472, 5704, 6042, 6417, 6572, 6624, 6992, 7068, 7314, 7632, 7866, 8056, 8556, 8928, 9063, 9424, 9752, 9858, 10488, 10602, 10971, 11408, 12084, 12834, 13144, 13547, 13984, 14136, 14628, 14787, 15264, 15732, 16112, 17112, 18126, 18848, 19504, 19716, 20976, 21204, 21942, 22816, 23161, 24168, 25668, 26288, 27094, 28272, 29256, 29574, 31217, 31464, 32224, 34224, 36252, 37789, 39008, 39432, 40641, 41952, 42408, 43884, 46322, 48336, 51336, 52576, 54188, 56544, 58512, 59148, 62434, 62928, 68448, 69483, 72504, 75578, 78864, 81282, 84816, 87768, 92644, 93651, 96672, 102672, 108376, 113367, 117024, 118296, 121923, 124868, 125856, 138966, 145008, 151156, 157728, 162564, 169632, 175536, 185288, 187302, 205344, 208449, 216752, 226734, 236592, 243846, 249736, 277932, 280953, 290016, 302312, 325128, 340101, 351072, 370576, 374604, 416898, 433504, 453468, 473184, 487692, 499472, 555864, 561906, 604624, 650256, 680202, 717991, 741152, 749208, 833796, 906936, 975384, 998944, 1111728, 1123812, 1209248, 1300512, 1360404, 1435982, 1498416, 1667592, 1813872, 1950768, 2153973, 2223456, 2247624, 2720808, 2871964, 2996832, 3335184, 3627744, 3901536, 4307946, 4495248, 5441616, 5743928, 6461919, 6670368, 8615892, 8990496, 10883232, 11487856, 12923838, 17231784, 22975712, 25847676, 34463568, 51695352, 68927136, 103390704, 206781408]

約数ペア:

[(1, 206781408), (2, 103390704), (3, 68927136), (4, 51695352), (6, 34463568), (8, 25847676), (9, 22975712), (12, 17231784), (16, 12923838), (18, 11487856), (19, 10883232), (23, 8990496), (24, 8615892), (31, 6670368), (32, 6461919), (36, 5743928), (38, 5441616), (46, 4495248), (48, 4307946), (53, 3901536), (57, 3627744), (62, 3335184), (69, 2996832), (72, 2871964), (76, 2720808), (92, 2247624), (93, 2223456), (96, 2153973), (106, 1950768), (114, 1813872), (124, 1667592), (138, 1498416), (144, 1435982), (152, 1360404), (159, 1300512), (171, 1209248), (184, 1123812), (186, 1111728), (207, 998944), (212, 975384), (228, 906936), (248, 833796), (276, 749208), (279, 741152), (288, 717991), (304, 680202), (318, 650256), (342, 604624), (368, 561906), (372, 555864), (414, 499472), (424, 487692), (437, 473184), (456, 453468), (477, 433504), (496, 416898), (552, 374604), (558, 370576), (589, 351072), (608, 340101), (636, 325128), (684, 302312), (713, 290016), (736, 280953), (744, 277932), (828, 249736), (848, 243846), (874, 236592), (912, 226734), (954, 216752), (992, 208449), (1007, 205344), (1104, 187302), (1116, 185288), (1178, 175536), (1219, 169632), (1272, 162564), (1311, 157728), (1368, 151156), (1426, 145008), (1488, 138966), (1643, 125856), (1656, 124868), (1696, 121923), (1748, 118296), (1767, 117024), (1824, 113367), (1908, 108376), (2014, 102672), (2139, 96672), (2208, 93651), (2232, 92644), (2356, 87768), (2438, 84816), (2544, 81282), (2622, 78864), (2736, 75578), (2852, 72504), (2976, 69483), (3021, 68448), (3286, 62928), (3312, 62434), (3496, 59148), (3534, 58512), (3657, 56544), (3816, 54188), (3933, 52576), (4028, 51336), (4278, 48336), (4464, 46322), (4712, 43884), (4876, 42408), (4929, 41952), (5088, 40641), (5244, 39432), (5301, 39008), (5472, 37789), (5704, 36252), (6042, 34224), (6417, 32224), (6572, 31464), (6624, 31217), (6992, 29574), (7068, 29256), (7314, 28272), (7632, 27094), (7866, 26288), (8056, 25668), (8556, 24168), (8928, 23161), (9063, 22816), (9424, 21942), (9752, 21204), (9858, 20976), (10488, 19716), (10602, 19504), (10971, 18848), (11408, 18126), (12084, 17112), (12834, 16112), (13144, 15732), (13547, 15264), (13984, 14787), (14136, 14628)]