18670680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 192

約数和(自身を含む): 71884800

約数和(自身を除く): 53214120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 239, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 478, 504, 558, 620, 630, 651, 717, 744, 840, 868, 930, 956, 1085, 1116, 1195, 1240, 1260, 1302, 1395, 1434, 1673, 1736, 1860, 1912, 1953, 2151, 2170, 2232, 2390, 2520, 2604, 2790, 2868, 3255, 3346, 3585, 3720, 3906, 4302, 4340, 4780, 5019, 5208, 5580, 5736, 6510, 6692, 7170, 7409, 7812, 8365, 8604, 8680, 9560, 9765, 10038, 10755, 11160, 13020, 13384, 14340, 14818, 15057, 15624, 16730, 17208, 19530, 20076, 21510, 22227, 25095, 26040, 28680, 29636, 30114, 33460, 37045, 39060, 40152, 43020, 44454, 50190, 51863, 59272, 60228, 66681, 66920, 74090, 75285, 78120, 86040, 88908, 100380, 103726, 111135, 120456, 133362, 148180, 150570, 155589, 177816, 200760, 207452, 222270, 259315, 266724, 296360, 301140, 311178, 333405, 414904, 444540, 466767, 518630, 533448, 602280, 622356, 666810, 777945, 889080, 933534, 1037260, 1244712, 1333620, 1555890, 1867068, 2074520, 2333835, 2667240, 3111780, 3734136, 4667670, 6223560, 9335340, 18670680]

約数ペア:

[(1, 18670680), (2, 9335340), (3, 6223560), (4, 4667670), (5, 3734136), (6, 3111780), (7, 2667240), (8, 2333835), (9, 2074520), (10, 1867068), (12, 1555890), (14, 1333620), (15, 1244712), (18, 1037260), (20, 933534), (21, 889080), (24, 777945), (28, 666810), (30, 622356), (31, 602280), (35, 533448), (36, 518630), (40, 466767), (42, 444540), (45, 414904), (56, 333405), (60, 311178), (62, 301140), (63, 296360), (70, 266724), (72, 259315), (84, 222270), (90, 207452), (93, 200760), (105, 177816), (120, 155589), (124, 150570), (126, 148180), (140, 133362), (155, 120456), (168, 111135), (180, 103726), (186, 100380), (210, 88908), (217, 86040), (239, 78120), (248, 75285), (252, 74090), (279, 66920), (280, 66681), (310, 60228), (315, 59272), (360, 51863), (372, 50190), (420, 44454), (434, 43020), (465, 40152), (478, 39060), (504, 37045), (558, 33460), (620, 30114), (630, 29636), (651, 28680), (717, 26040), (744, 25095), (840, 22227), (868, 21510), (930, 20076), (956, 19530), (1085, 17208), (1116, 16730), (1195, 15624), (1240, 15057), (1260, 14818), (1302, 14340), (1395, 13384), (1434, 13020), (1673, 11160), (1736, 10755), (1860, 10038), (1912, 9765), (1953, 9560), (2151, 8680), (2170, 8604), (2232, 8365), (2390, 7812), (2520, 7409), (2604, 7170), (2790, 6692), (2868, 6510), (3255, 5736), (3346, 5580), (3585, 5208), (3720, 5019), (3906, 4780), (4302, 4340)]