261564120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1907}}^1$

素因数の和:2054

約数の個数: 128

約数和(自身を含む): 879206400

約数和(自身を除く): 617642280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 127, 135, 180, 216, 254, 270, 360, 381, 508, 540, 635, 762, 1016, 1080, 1143, 1270, 1524, 1905, 1907, 2286, 2540, 3048, 3429, 3810, 3814, 4572, 5080, 5715, 5721, 6858, 7620, 7628, 9144, 9535, 11430, 11442, 13716, 15240, 15256, 17145, 17163, 19070, 22860, 22884, 27432, 28605, 34290, 34326, 38140, 45720, 45768, 51489, 57210, 68580, 68652, 76280, 85815, 102978, 114420, 137160, 137304, 171630, 205956, 228840, 242189, 257445, 343260, 411912, 484378, 514890, 686520, 726567, 968756, 1029780, 1210945, 1453134, 1937512, 2059560, 2179701, 2421890, 2906268, 3632835, 4359402, 4843780, 5812536, 6539103, 7265670, 8718804, 9687560, 10898505, 13078206, 14531340, 17437608, 21797010, 26156412, 29062680, 32695515, 43594020, 52312824, 65391030, 87188040, 130782060, 261564120]

約数ペア:

[(1, 261564120), (2, 130782060), (3, 87188040), (4, 65391030), (5, 52312824), (6, 43594020), (8, 32695515), (9, 29062680), (10, 26156412), (12, 21797010), (15, 17437608), (18, 14531340), (20, 13078206), (24, 10898505), (27, 9687560), (30, 8718804), (36, 7265670), (40, 6539103), (45, 5812536), (54, 4843780), (60, 4359402), (72, 3632835), (90, 2906268), (108, 2421890), (120, 2179701), (127, 2059560), (135, 1937512), (180, 1453134), (216, 1210945), (254, 1029780), (270, 968756), (360, 726567), (381, 686520), (508, 514890), (540, 484378), (635, 411912), (762, 343260), (1016, 257445), (1080, 242189), (1143, 228840), (1270, 205956), (1524, 171630), (1905, 137304), (1907, 137160), (2286, 114420), (2540, 102978), (3048, 85815), (3429, 76280), (3810, 68652), (3814, 68580), (4572, 57210), (5080, 51489), (5715, 45768), (5721, 45720), (6858, 38140), (7620, 34326), (7628, 34290), (9144, 28605), (9535, 27432), (11430, 22884), (11442, 22860), (13716, 19070), (15240, 17163), (15256, 17145)]