19061280

素因数分解:

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

素因数の和:120

約数の個数: 288

約数和(自身を含む): 77995008

約数和(自身を除く): 58933728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 61, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 122, 124, 126, 140, 144, 155, 160, 168, 180, 183, 186, 210, 217, 224, 240, 244, 248, 252, 279, 280, 288, 305, 310, 315, 336, 360, 366, 372, 420, 427, 434, 465, 480, 488, 496, 504, 549, 558, 560, 610, 620, 630, 651, 672, 720, 732, 744, 840, 854, 868, 915, 930, 976, 992, 1008, 1085, 1098, 1116, 1120, 1220, 1240, 1260, 1281, 1302, 1395, 1440, 1464, 1488, 1680, 1708, 1736, 1830, 1860, 1891, 1952, 1953, 2016, 2135, 2170, 2196, 2232, 2440, 2480, 2520, 2562, 2604, 2745, 2790, 2928, 2976, 3255, 3360, 3416, 3472, 3660, 3720, 3782, 3843, 3906, 4270, 4340, 4392, 4464, 4880, 4960, 5040, 5124, 5208, 5490, 5580, 5673, 5856, 6405, 6510, 6832, 6944, 7320, 7440, 7564, 7686, 7812, 8540, 8680, 8784, 8928, 9455, 9760, 9765, 10080, 10248, 10416, 10980, 11160, 11346, 12810, 13020, 13237, 13664, 14640, 14880, 15128, 15372, 15624, 17019, 17080, 17360, 17568, 18910, 19215, 19530, 20496, 20832, 21960, 22320, 22692, 25620, 26040, 26474, 28365, 29280, 30256, 30744, 31248, 34038, 34160, 34720, 37820, 38430, 39060, 39711, 40992, 43920, 44640, 45384, 51240, 52080, 52948, 56730, 60512, 61488, 62496, 66185, 68076, 68320, 75640, 76860, 78120, 79422, 85095, 87840, 90768, 102480, 104160, 105896, 113460, 119133, 122976, 132370, 136152, 151280, 153720, 156240, 158844, 170190, 181536, 198555, 204960, 211792, 226920, 238266, 264740, 272304, 302560, 307440, 312480, 317688, 340380, 397110, 423584, 453840, 476532, 529480, 544608, 595665, 614880, 635376, 680760, 794220, 907680, 953064, 1058960, 1191330, 1270752, 1361520, 1588440, 1906128, 2117920, 2382660, 2723040, 3176880, 3812256, 4765320, 6353760, 9530640, 19061280]

約数ペア:

[(1, 19061280), (2, 9530640), (3, 6353760), (4, 4765320), (5, 3812256), (6, 3176880), (7, 2723040), (8, 2382660), (9, 2117920), (10, 1906128), (12, 1588440), (14, 1361520), (15, 1270752), (16, 1191330), (18, 1058960), (20, 953064), (21, 907680), (24, 794220), (28, 680760), (30, 635376), (31, 614880), (32, 595665), (35, 544608), (36, 529480), (40, 476532), (42, 453840), (45, 423584), (48, 397110), (56, 340380), (60, 317688), (61, 312480), (62, 307440), (63, 302560), (70, 272304), (72, 264740), (80, 238266), (84, 226920), (90, 211792), (93, 204960), (96, 198555), (105, 181536), (112, 170190), (120, 158844), (122, 156240), (124, 153720), (126, 151280), (140, 136152), (144, 132370), (155, 122976), (160, 119133), (168, 113460), (180, 105896), (183, 104160), (186, 102480), (210, 90768), (217, 87840), (224, 85095), (240, 79422), (244, 78120), (248, 76860), (252, 75640), (279, 68320), (280, 68076), (288, 66185), (305, 62496), (310, 61488), (315, 60512), (336, 56730), (360, 52948), (366, 52080), (372, 51240), (420, 45384), (427, 44640), (434, 43920), (465, 40992), (480, 39711), (488, 39060), (496, 38430), (504, 37820), (549, 34720), (558, 34160), (560, 34038), (610, 31248), (620, 30744), (630, 30256), (651, 29280), (672, 28365), (720, 26474), (732, 26040), (744, 25620), (840, 22692), (854, 22320), (868, 21960), (915, 20832), (930, 20496), (976, 19530), (992, 19215), (1008, 18910), (1085, 17568), (1098, 17360), (1116, 17080), (1120, 17019), (1220, 15624), (1240, 15372), (1260, 15128), (1281, 14880), (1302, 14640), (1395, 13664), (1440, 13237), (1464, 13020), (1488, 12810), (1680, 11346), (1708, 11160), (1736, 10980), (1830, 10416), (1860, 10248), (1891, 10080), (1952, 9765), (1953, 9760), (2016, 9455), (2135, 8928), (2170, 8784), (2196, 8680), (2232, 8540), (2440, 7812), (2480, 7686), (2520, 7564), (2562, 7440), (2604, 7320), (2745, 6944), (2790, 6832), (2928, 6510), (2976, 6405), (3255, 5856), (3360, 5673), (3416, 5580), (3472, 5490), (3660, 5208), (3720, 5124), (3782, 5040), (3843, 4960), (3906, 4880), (4270, 4464), (4340, 4392)]