401299920

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{983}}^1$

素因数の和:1021

約数の個数: 280

約数和(自身を含む): 1600361856

約数和(自身を除く): 1199061936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 729, 756, 810, 840, 945, 972, 983, 1008, 1080, 1134, 1215, 1260, 1296, 1458, 1512, 1620, 1680, 1701, 1890, 1944, 1966, 2160, 2268, 2430, 2520, 2835, 2916, 2949, 3024, 3240, 3402, 3645, 3780, 3888, 3932, 4536, 4860, 4915, 5040, 5103, 5670, 5832, 5898, 6480, 6804, 6881, 7290, 7560, 7864, 8505, 8847, 9072, 9720, 9830, 10206, 11340, 11664, 11796, 13608, 13762, 14580, 14745, 15120, 15728, 17010, 17694, 19440, 19660, 20412, 20643, 22680, 23592, 25515, 26541, 27216, 27524, 29160, 29490, 34020, 34405, 35388, 39320, 40824, 41286, 44235, 45360, 47184, 51030, 53082, 55048, 58320, 58980, 61929, 68040, 68810, 70776, 78640, 79623, 81648, 82572, 88470, 102060, 103215, 106164, 110096, 117960, 123858, 132705, 136080, 137620, 141552, 159246, 165144, 176940, 185787, 204120, 206430, 212328, 235920, 238869, 247716, 265410, 275240, 309645, 318492, 330288, 353880, 371574, 398115, 408240, 412860, 424656, 477738, 495432, 530820, 550480, 557361, 619290, 636984, 707760, 716607, 743148, 796230, 825720, 928935, 955476, 990864, 1061640, 1114722, 1194345, 1238580, 1273968, 1433214, 1486296, 1592460, 1651440, 1672083, 1857870, 1910952, 2123280, 2229444, 2388690, 2477160, 2786805, 2866428, 2972592, 3184920, 3344166, 3583035, 3715740, 3821904, 4458888, 4777380, 4954320, 5016249, 5573610, 5732856, 6369840, 6688332, 7166070, 7431480, 8360415, 8917776, 9554760, 10032498, 11147220, 11465712, 13376664, 14332140, 14862960, 16720830, 19109520, 20064996, 22294440, 25081245, 26753328, 28664280, 33441660, 40129992, 44588880, 50162490, 57328560, 66883320, 80259984, 100324980, 133766640, 200649960, 401299920]

約数ペア:

[(1, 401299920), (2, 200649960), (3, 133766640), (4, 100324980), (5, 80259984), (6, 66883320), (7, 57328560), (8, 50162490), (9, 44588880), (10, 40129992), (12, 33441660), (14, 28664280), (15, 26753328), (16, 25081245), (18, 22294440), (20, 20064996), (21, 19109520), (24, 16720830), (27, 14862960), (28, 14332140), (30, 13376664), (35, 11465712), (36, 11147220), (40, 10032498), (42, 9554760), (45, 8917776), (48, 8360415), (54, 7431480), (56, 7166070), (60, 6688332), (63, 6369840), (70, 5732856), (72, 5573610), (80, 5016249), (81, 4954320), (84, 4777380), (90, 4458888), (105, 3821904), (108, 3715740), (112, 3583035), (120, 3344166), (126, 3184920), (135, 2972592), (140, 2866428), (144, 2786805), (162, 2477160), (168, 2388690), (180, 2229444), (189, 2123280), (210, 1910952), (216, 1857870), (240, 1672083), (243, 1651440), (252, 1592460), (270, 1486296), (280, 1433214), (315, 1273968), (324, 1238580), (336, 1194345), (360, 1114722), (378, 1061640), (405, 990864), (420, 955476), (432, 928935), (486, 825720), (504, 796230), (540, 743148), (560, 716607), (567, 707760), (630, 636984), (648, 619290), (720, 557361), (729, 550480), (756, 530820), (810, 495432), (840, 477738), (945, 424656), (972, 412860), (983, 408240), (1008, 398115), (1080, 371574), (1134, 353880), (1215, 330288), (1260, 318492), (1296, 309645), (1458, 275240), (1512, 265410), (1620, 247716), (1680, 238869), (1701, 235920), (1890, 212328), (1944, 206430), (1966, 204120), (2160, 185787), (2268, 176940), (2430, 165144), (2520, 159246), (2835, 141552), (2916, 137620), (2949, 136080), (3024, 132705), (3240, 123858), (3402, 117960), (3645, 110096), (3780, 106164), (3888, 103215), (3932, 102060), (4536, 88470), (4860, 82572), (4915, 81648), (5040, 79623), (5103, 78640), (5670, 70776), (5832, 68810), (5898, 68040), (6480, 61929), (6804, 58980), (6881, 58320), (7290, 55048), (7560, 53082), (7864, 51030), (8505, 47184), (8847, 45360), (9072, 44235), (9720, 41286), (9830, 40824), (10206, 39320), (11340, 35388), (11664, 34405), (11796, 34020), (13608, 29490), (13762, 29160), (14580, 27524), (14745, 27216), (15120, 26541), (15728, 25515), (17010, 23592), (17694, 22680), (19440, 20643), (19660, 20412)]