331189740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 1213255680

約数和(自身を除く): 882065940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 61, 62, 63, 70, 84, 90, 93, 105, 122, 124, 126, 139, 140, 155, 180, 183, 186, 210, 217, 244, 252, 278, 279, 305, 310, 315, 366, 372, 417, 420, 427, 434, 465, 549, 556, 558, 610, 620, 630, 651, 695, 732, 834, 854, 868, 915, 930, 973, 1085, 1098, 1116, 1220, 1251, 1260, 1281, 1302, 1390, 1395, 1668, 1708, 1830, 1860, 1891, 1946, 1953, 2085, 2135, 2170, 2196, 2502, 2562, 2604, 2745, 2780, 2790, 2919, 3255, 3660, 3782, 3843, 3892, 3906, 4170, 4270, 4309, 4340, 4865, 5004, 5124, 5490, 5580, 5673, 5838, 6255, 6405, 6510, 7564, 7686, 7812, 8340, 8479, 8540, 8618, 8757, 9455, 9730, 9765, 10980, 11346, 11676, 12510, 12810, 12927, 13020, 13237, 14595, 15372, 16958, 17019, 17236, 17514, 18910, 19215, 19460, 19530, 21545, 22692, 25020, 25437, 25620, 25854, 26474, 28365, 29190, 30163, 33916, 34038, 35028, 37820, 38430, 38781, 39060, 39711, 42395, 43090, 43785, 50874, 51708, 52948, 56730, 58380, 59353, 60326, 64635, 66185, 68076, 76311, 76860, 77562, 79422, 84790, 85095, 86180, 87570, 90489, 101748, 113460, 118706, 119133, 120652, 127185, 129270, 132370, 150815, 152622, 155124, 158844, 169580, 170190, 175140, 178059, 180978, 193905, 198555, 237412, 238266, 254370, 258540, 262849, 264740, 271467, 296765, 301630, 305244, 340380, 356118, 361956, 381555, 387810, 397110, 452445, 476532, 508740, 525698, 534177, 542934, 593530, 595665, 603260, 712236, 763110, 775620, 788547, 794220, 890295, 904890, 1051396, 1068354, 1085868, 1187060, 1191330, 1314245, 1357335, 1526220, 1577094, 1780590, 1809780, 1839943, 2136708, 2365641, 2382660, 2628490, 2670885, 2714670, 3154188, 3561180, 3679886, 3942735, 4731282, 5256980, 5341770, 5429340, 5519829, 7359772, 7885470, 9199715, 9462564, 10683540, 11039658, 11828205, 15770940, 16559487, 18399430, 22079316, 23656410, 27599145, 33118974, 36798860, 47312820, 55198290, 66237948, 82797435, 110396580, 165594870, 331189740]

約数ペア:

[(1, 331189740), (2, 165594870), (3, 110396580), (4, 82797435), (5, 66237948), (6, 55198290), (7, 47312820), (9, 36798860), (10, 33118974), (12, 27599145), (14, 23656410), (15, 22079316), (18, 18399430), (20, 16559487), (21, 15770940), (28, 11828205), (30, 11039658), (31, 10683540), (35, 9462564), (36, 9199715), (42, 7885470), (45, 7359772), (60, 5519829), (61, 5429340), (62, 5341770), (63, 5256980), (70, 4731282), (84, 3942735), (90, 3679886), (93, 3561180), (105, 3154188), (122, 2714670), (124, 2670885), (126, 2628490), (139, 2382660), (140, 2365641), (155, 2136708), (180, 1839943), (183, 1809780), (186, 1780590), (210, 1577094), (217, 1526220), (244, 1357335), (252, 1314245), (278, 1191330), (279, 1187060), (305, 1085868), (310, 1068354), (315, 1051396), (366, 904890), (372, 890295), (417, 794220), (420, 788547), (427, 775620), (434, 763110), (465, 712236), (549, 603260), (556, 595665), (558, 593530), (610, 542934), (620, 534177), (630, 525698), (651, 508740), (695, 476532), (732, 452445), (834, 397110), (854, 387810), (868, 381555), (915, 361956), (930, 356118), (973, 340380), (1085, 305244), (1098, 301630), (1116, 296765), (1220, 271467), (1251, 264740), (1260, 262849), (1281, 258540), (1302, 254370), (1390, 238266), (1395, 237412), (1668, 198555), (1708, 193905), (1830, 180978), (1860, 178059), (1891, 175140), (1946, 170190), (1953, 169580), (2085, 158844), (2135, 155124), (2170, 152622), (2196, 150815), (2502, 132370), (2562, 129270), (2604, 127185), (2745, 120652), (2780, 119133), (2790, 118706), (2919, 113460), (3255, 101748), (3660, 90489), (3782, 87570), (3843, 86180), (3892, 85095), (3906, 84790), (4170, 79422), (4270, 77562), (4309, 76860), (4340, 76311), (4865, 68076), (5004, 66185), (5124, 64635), (5490, 60326), (5580, 59353), (5673, 58380), (5838, 56730), (6255, 52948), (6405, 51708), (6510, 50874), (7564, 43785), (7686, 43090), (7812, 42395), (8340, 39711), (8479, 39060), (8540, 38781), (8618, 38430), (8757, 37820), (9455, 35028), (9730, 34038), (9765, 33916), (10980, 30163), (11346, 29190), (11676, 28365), (12510, 26474), (12810, 25854), (12927, 25620), (13020, 25437), (13237, 25020), (14595, 22692), (15372, 21545), (16958, 19530), (17019, 19460), (17236, 19215), (17514, 18910)]