305975880

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{1499}}^1$

素因数の和:1535

約数の個数: 224

約数和(自身を含む): 1180440000

約数和(自身を除く): 874464120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 729, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1458, 1499, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 2916, 2998, 3240, 3402, 3645, 3780, 4497, 4536, 4860, 5103, 5670, 5832, 5996, 6804, 7290, 7495, 7560, 8505, 8994, 9720, 10206, 10493, 11340, 11992, 13491, 13608, 14580, 14990, 17010, 17988, 20412, 20986, 22485, 22680, 25515, 26982, 29160, 29980, 31479, 34020, 35976, 40473, 40824, 41972, 44970, 51030, 52465, 53964, 59960, 62958, 67455, 68040, 80946, 83944, 89940, 94437, 102060, 104930, 107928, 121419, 125916, 134910, 157395, 161892, 179880, 188874, 202365, 204120, 209860, 242838, 251832, 269820, 283311, 314790, 323784, 364257, 377748, 404730, 419720, 472185, 485676, 539640, 566622, 607095, 629580, 728514, 755496, 809460, 849933, 944370, 971352, 1092771, 1133244, 1214190, 1259160, 1416555, 1457028, 1618920, 1699866, 1821285, 1888740, 2185542, 2266488, 2428380, 2549799, 2833110, 2914056, 3399732, 3642570, 3777480, 4249665, 4371084, 4856760, 5099598, 5463855, 5666220, 6799464, 7285140, 7649397, 8499330, 8742168, 10199196, 10927710, 11332440, 12748995, 14570280, 15298794, 16998660, 20398392, 21855420, 25497990, 30597588, 33997320, 38246985, 43710840, 50995980, 61195176, 76493970, 101991960, 152987940, 305975880]

約数ペア:

[(1, 305975880), (2, 152987940), (3, 101991960), (4, 76493970), (5, 61195176), (6, 50995980), (7, 43710840), (8, 38246985), (9, 33997320), (10, 30597588), (12, 25497990), (14, 21855420), (15, 20398392), (18, 16998660), (20, 15298794), (21, 14570280), (24, 12748995), (27, 11332440), (28, 10927710), (30, 10199196), (35, 8742168), (36, 8499330), (40, 7649397), (42, 7285140), (45, 6799464), (54, 5666220), (56, 5463855), (60, 5099598), (63, 4856760), (70, 4371084), (72, 4249665), (81, 3777480), (84, 3642570), (90, 3399732), (105, 2914056), (108, 2833110), (120, 2549799), (126, 2428380), (135, 2266488), (140, 2185542), (162, 1888740), (168, 1821285), (180, 1699866), (189, 1618920), (210, 1457028), (216, 1416555), (243, 1259160), (252, 1214190), (270, 1133244), (280, 1092771), (315, 971352), (324, 944370), (360, 849933), (378, 809460), (405, 755496), (420, 728514), (486, 629580), (504, 607095), (540, 566622), (567, 539640), (630, 485676), (648, 472185), (729, 419720), (756, 404730), (810, 377748), (840, 364257), (945, 323784), (972, 314790), (1080, 283311), (1134, 269820), (1215, 251832), (1260, 242838), (1458, 209860), (1499, 204120), (1512, 202365), (1620, 188874), (1701, 179880), (1890, 161892), (1944, 157395), (2268, 134910), (2430, 125916), (2520, 121419), (2835, 107928), (2916, 104930), (2998, 102060), (3240, 94437), (3402, 89940), (3645, 83944), (3780, 80946), (4497, 68040), (4536, 67455), (4860, 62958), (5103, 59960), (5670, 53964), (5832, 52465), (5996, 51030), (6804, 44970), (7290, 41972), (7495, 40824), (7560, 40473), (8505, 35976), (8994, 34020), (9720, 31479), (10206, 29980), (10493, 29160), (11340, 26982), (11992, 25515), (13491, 22680), (13608, 22485), (14580, 20986), (14990, 20412), (17010, 17988)]