281040480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^3\times {\mathrm{569}}^1$

素因数の和:611

約数の個数: 288

約数和(自身を含む): 1120392000

約数和(自身を除く): 839351520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 343, 360, 392, 420, 441, 480, 490, 504, 560, 569, 588, 630, 672, 686, 720, 735, 784, 840, 882, 980, 1008, 1029, 1120, 1138, 1176, 1260, 1372, 1440, 1470, 1568, 1680, 1707, 1715, 1764, 1960, 2016, 2058, 2205, 2276, 2352, 2520, 2744, 2845, 2940, 3087, 3360, 3414, 3430, 3528, 3920, 3983, 4116, 4410, 4552, 4704, 5040, 5121, 5145, 5488, 5690, 5880, 6174, 6828, 6860, 7056, 7840, 7966, 8232, 8535, 8820, 9104, 10080, 10242, 10290, 10976, 11380, 11760, 11949, 12348, 13656, 13720, 14112, 15435, 15932, 16464, 17070, 17640, 18208, 19915, 20484, 20580, 22760, 23520, 23898, 24696, 25605, 27312, 27440, 27881, 30870, 31864, 32928, 34140, 35280, 35847, 39830, 40968, 41160, 45520, 47796, 49392, 51210, 54624, 54880, 55762, 59745, 61740, 63728, 68280, 70560, 71694, 79660, 81936, 82320, 83643, 91040, 95592, 98784, 102420, 111524, 119490, 123480, 127456, 136560, 139405, 143388, 159320, 163872, 164640, 167286, 179235, 191184, 195167, 204840, 223048, 238980, 246960, 250929, 273120, 278810, 286776, 318640, 334572, 358470, 382368, 390334, 409680, 418215, 446096, 477960, 493920, 501858, 557620, 573552, 585501, 637280, 669144, 716940, 780668, 819360, 836430, 892192, 955920, 975835, 1003716, 1115240, 1147104, 1171002, 1254645, 1338288, 1433880, 1561336, 1672860, 1756503, 1911840, 1951670, 2007432, 2230480, 2342004, 2509290, 2676576, 2867760, 2927505, 3122672, 3345720, 3513006, 3903340, 4014864, 4460960, 4684008, 5018580, 5735520, 5855010, 6245344, 6691440, 7026012, 7806680, 8029728, 8782515, 9368016, 10037160, 11710020, 13382880, 14052024, 15613360, 17565030, 18736032, 20074320, 23420040, 28104048, 31226720, 35130060, 40148640, 46840080, 56208096, 70260120, 93680160, 140520240, 281040480]

約数ペア:

[(1, 281040480), (2, 140520240), (3, 93680160), (4, 70260120), (5, 56208096), (6, 46840080), (7, 40148640), (8, 35130060), (9, 31226720), (10, 28104048), (12, 23420040), (14, 20074320), (15, 18736032), (16, 17565030), (18, 15613360), (20, 14052024), (21, 13382880), (24, 11710020), (28, 10037160), (30, 9368016), (32, 8782515), (35, 8029728), (36, 7806680), (40, 7026012), (42, 6691440), (45, 6245344), (48, 5855010), (49, 5735520), (56, 5018580), (60, 4684008), (63, 4460960), (70, 4014864), (72, 3903340), (80, 3513006), (84, 3345720), (90, 3122672), (96, 2927505), (98, 2867760), (105, 2676576), (112, 2509290), (120, 2342004), (126, 2230480), (140, 2007432), (144, 1951670), (147, 1911840), (160, 1756503), (168, 1672860), (180, 1561336), (196, 1433880), (210, 1338288), (224, 1254645), (240, 1171002), (245, 1147104), (252, 1115240), (280, 1003716), (288, 975835), (294, 955920), (315, 892192), (336, 836430), (343, 819360), (360, 780668), (392, 716940), (420, 669144), (441, 637280), (480, 585501), (490, 573552), (504, 557620), (560, 501858), (569, 493920), (588, 477960), (630, 446096), (672, 418215), (686, 409680), (720, 390334), (735, 382368), (784, 358470), (840, 334572), (882, 318640), (980, 286776), (1008, 278810), (1029, 273120), (1120, 250929), (1138, 246960), (1176, 238980), (1260, 223048), (1372, 204840), (1440, 195167), (1470, 191184), (1568, 179235), (1680, 167286), (1707, 164640), (1715, 163872), (1764, 159320), (1960, 143388), (2016, 139405), (2058, 136560), (2205, 127456), (2276, 123480), (2352, 119490), (2520, 111524), (2744, 102420), (2845, 98784), (2940, 95592), (3087, 91040), (3360, 83643), (3414, 82320), (3430, 81936), (3528, 79660), (3920, 71694), (3983, 70560), (4116, 68280), (4410, 63728), (4552, 61740), (4704, 59745), (5040, 55762), (5121, 54880), (5145, 54624), (5488, 51210), (5690, 49392), (5880, 47796), (6174, 45520), (6828, 41160), (6860, 40968), (7056, 39830), (7840, 35847), (7966, 35280), (8232, 34140), (8535, 32928), (8820, 31864), (9104, 30870), (10080, 27881), (10242, 27440), (10290, 27312), (10976, 25605), (11380, 24696), (11760, 23898), (11949, 23520), (12348, 22760), (13656, 20580), (13720, 20484), (14112, 19915), (15435, 18208), (15932, 17640), (16464, 17070)]