312128460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 288

約数和(自身を含む): 1143926784

約数和(自身を除く): 831798324

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, 131, 140, 155, 180, 183, 186, 210, 217, 244, 252, 262, 279, 305, 310, 315, 366, 372, 393, 420, 427, 434, 465, 524, 549, 558, 610, 620, 630, 651, 655, 732, 786, 854, 868, 915, 917, 930, 1085, 1098, 1116, 1179, 1220, 1260, 1281, 1302, 1310, 1395, 1572, 1708, 1830, 1834, 1860, 1891, 1953, 1965, 2135, 2170, 2196, 2358, 2562, 2604, 2620, 2745, 2751, 2790, 3255, 3660, 3668, 3782, 3843, 3906, 3930, 4061, 4270, 4340, 4585, 4716, 5124, 5490, 5502, 5580, 5673, 5895, 6405, 6510, 7564, 7686, 7812, 7860, 7991, 8122, 8253, 8540, 9170, 9455, 9765, 10980, 11004, 11346, 11790, 12183, 12810, 13020, 13237, 13755, 15372, 15982, 16244, 16506, 17019, 18340, 18910, 19215, 19530, 20305, 22692, 23580, 23973, 24366, 25620, 26474, 27510, 28365, 28427, 31964, 33012, 34038, 36549, 37820, 38430, 39060, 39711, 39955, 40610, 41265, 47946, 48732, 52948, 55020, 55937, 56730, 56854, 60915, 66185, 68076, 71919, 73098, 76860, 79422, 79910, 81220, 82530, 85095, 85281, 95892, 111874, 113460, 113708, 119133, 119865, 121830, 132370, 142135, 143838, 146196, 158844, 159820, 165060, 167811, 170190, 170562, 182745, 198555, 223748, 238266, 239730, 243660, 247721, 255843, 264740, 279685, 284270, 287676, 335622, 340380, 341124, 359595, 365490, 397110, 426405, 476532, 479460, 495442, 503433, 511686, 559370, 568540, 595665, 671244, 719190, 730980, 743163, 794220, 839055, 852810, 990884, 1006866, 1023372, 1118740, 1191330, 1238605, 1279215, 1438380, 1486326, 1678110, 1705620, 1734047, 2013732, 2229489, 2382660, 2477210, 2517165, 2558430, 2972652, 3356220, 3468094, 3715815, 4458978, 4954420, 5034330, 5116860, 5202141, 6936188, 7431630, 8670235, 8917956, 10068660, 10404282, 11147445, 14863260, 15606423, 17340470, 20808564, 22294890, 26010705, 31212846, 34680940, 44589780, 52021410, 62425692, 78032115, 104042820, 156064230, 312128460]

約数ペア:

[(1, 312128460), (2, 156064230), (3, 104042820), (4, 78032115), (5, 62425692), (6, 52021410), (7, 44589780), (9, 34680940), (10, 31212846), (12, 26010705), (14, 22294890), (15, 20808564), (18, 17340470), (20, 15606423), (21, 14863260), (28, 11147445), (30, 10404282), (31, 10068660), (35, 8917956), (36, 8670235), (42, 7431630), (45, 6936188), (60, 5202141), (61, 5116860), (62, 5034330), (63, 4954420), (70, 4458978), (84, 3715815), (90, 3468094), (93, 3356220), (105, 2972652), (122, 2558430), (124, 2517165), (126, 2477210), (131, 2382660), (140, 2229489), (155, 2013732), (180, 1734047), (183, 1705620), (186, 1678110), (210, 1486326), (217, 1438380), (244, 1279215), (252, 1238605), (262, 1191330), (279, 1118740), (305, 1023372), (310, 1006866), (315, 990884), (366, 852810), (372, 839055), (393, 794220), (420, 743163), (427, 730980), (434, 719190), (465, 671244), (524, 595665), (549, 568540), (558, 559370), (610, 511686), (620, 503433), (630, 495442), (651, 479460), (655, 476532), (732, 426405), (786, 397110), (854, 365490), (868, 359595), (915, 341124), (917, 340380), (930, 335622), (1085, 287676), (1098, 284270), (1116, 279685), (1179, 264740), (1220, 255843), (1260, 247721), (1281, 243660), (1302, 239730), (1310, 238266), (1395, 223748), (1572, 198555), (1708, 182745), (1830, 170562), (1834, 170190), (1860, 167811), (1891, 165060), (1953, 159820), (1965, 158844), (2135, 146196), (2170, 143838), (2196, 142135), (2358, 132370), (2562, 121830), (2604, 119865), (2620, 119133), (2745, 113708), (2751, 113460), (2790, 111874), (3255, 95892), (3660, 85281), (3668, 85095), (3782, 82530), (3843, 81220), (3906, 79910), (3930, 79422), (4061, 76860), (4270, 73098), (4340, 71919), (4585, 68076), (4716, 66185), (5124, 60915), (5490, 56854), (5502, 56730), (5580, 55937), (5673, 55020), (5895, 52948), (6405, 48732), (6510, 47946), (7564, 41265), (7686, 40610), (7812, 39955), (7860, 39711), (7991, 39060), (8122, 38430), (8253, 37820), (8540, 36549), (9170, 34038), (9455, 33012), (9765, 31964), (10980, 28427), (11004, 28365), (11346, 27510), (11790, 26474), (12183, 25620), (12810, 24366), (13020, 23973), (13237, 23580), (13755, 22692), (15372, 20305), (15982, 19530), (16244, 19215), (16506, 18910), (17019, 18340)]