306517680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1084

約数の個数: 240

約数和(自身を含む): 1196929344

約数和(自身を除く): 890411664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 720, 732, 840, 854, 915, 976, 997, 1008, 1098, 1220, 1260, 1281, 1464, 1680, 1708, 1830, 1994, 2135, 2196, 2440, 2520, 2562, 2745, 2928, 2991, 3416, 3660, 3843, 3988, 4270, 4392, 4880, 4985, 5040, 5124, 5490, 5982, 6405, 6832, 6979, 7320, 7686, 7976, 8540, 8784, 8973, 9970, 10248, 10980, 11964, 12810, 13958, 14640, 14955, 15372, 15952, 17080, 17946, 19215, 19940, 20496, 20937, 21960, 23928, 25620, 27916, 29910, 30744, 34160, 34895, 35892, 38430, 39880, 41874, 43920, 44865, 47856, 51240, 55832, 59820, 60817, 61488, 62811, 69790, 71784, 76860, 79760, 83748, 89730, 102480, 104685, 111664, 119640, 121634, 125622, 139580, 143568, 153720, 167496, 179460, 182451, 209370, 239280, 243268, 251244, 279160, 304085, 307440, 314055, 334992, 358920, 364902, 418740, 425719, 486536, 502488, 547353, 558320, 608170, 628110, 717840, 729804, 837480, 851438, 912255, 973072, 1004976, 1094706, 1216340, 1256220, 1277157, 1459608, 1674960, 1702876, 1824510, 2128595, 2189412, 2432680, 2512440, 2554314, 2736765, 2919216, 3405752, 3649020, 3831471, 4257190, 4378824, 4865360, 5024880, 5108628, 5473530, 6385785, 6811504, 7298040, 7662942, 8514380, 8757648, 10217256, 10947060, 12771570, 14596080, 15325884, 17028760, 19157355, 20434512, 21894120, 25543140, 30651768, 34057520, 38314710, 43788240, 51086280, 61303536, 76629420, 102172560, 153258840, 306517680]

約数ペア:

[(1, 306517680), (2, 153258840), (3, 102172560), (4, 76629420), (5, 61303536), (6, 51086280), (7, 43788240), (8, 38314710), (9, 34057520), (10, 30651768), (12, 25543140), (14, 21894120), (15, 20434512), (16, 19157355), (18, 17028760), (20, 15325884), (21, 14596080), (24, 12771570), (28, 10947060), (30, 10217256), (35, 8757648), (36, 8514380), (40, 7662942), (42, 7298040), (45, 6811504), (48, 6385785), (56, 5473530), (60, 5108628), (61, 5024880), (63, 4865360), (70, 4378824), (72, 4257190), (80, 3831471), (84, 3649020), (90, 3405752), (105, 2919216), (112, 2736765), (120, 2554314), (122, 2512440), (126, 2432680), (140, 2189412), (144, 2128595), (168, 1824510), (180, 1702876), (183, 1674960), (210, 1459608), (240, 1277157), (244, 1256220), (252, 1216340), (280, 1094706), (305, 1004976), (315, 973072), (336, 912255), (360, 851438), (366, 837480), (420, 729804), (427, 717840), (488, 628110), (504, 608170), (549, 558320), (560, 547353), (610, 502488), (630, 486536), (720, 425719), (732, 418740), (840, 364902), (854, 358920), (915, 334992), (976, 314055), (997, 307440), (1008, 304085), (1098, 279160), (1220, 251244), (1260, 243268), (1281, 239280), (1464, 209370), (1680, 182451), (1708, 179460), (1830, 167496), (1994, 153720), (2135, 143568), (2196, 139580), (2440, 125622), (2520, 121634), (2562, 119640), (2745, 111664), (2928, 104685), (2991, 102480), (3416, 89730), (3660, 83748), (3843, 79760), (3988, 76860), (4270, 71784), (4392, 69790), (4880, 62811), (4985, 61488), (5040, 60817), (5124, 59820), (5490, 55832), (5982, 51240), (6405, 47856), (6832, 44865), (6979, 43920), (7320, 41874), (7686, 39880), (7976, 38430), (8540, 35892), (8784, 34895), (8973, 34160), (9970, 30744), (10248, 29910), (10980, 27916), (11964, 25620), (12810, 23928), (13958, 21960), (14640, 20937), (14955, 20496), (15372, 19940), (15952, 19215), (17080, 17946)]