438331320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 288

約数和(自身を含む): 1691595360

約数和(自身を除く): 1253264040

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, 181, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 362, 372, 420, 434, 465, 504, 543, 558, 620, 630, 651, 724, 744, 840, 868, 905, 930, 961, 1085, 1086, 1116, 1240, 1260, 1267, 1302, 1395, 1448, 1629, 1736, 1810, 1860, 1922, 1953, 2170, 2172, 2232, 2520, 2534, 2604, 2715, 2790, 2883, 3255, 3258, 3620, 3720, 3801, 3844, 3906, 4340, 4344, 4805, 5068, 5208, 5430, 5580, 5611, 5766, 6335, 6510, 6516, 6727, 7240, 7602, 7688, 7812, 8145, 8649, 8680, 9610, 9765, 10136, 10860, 11160, 11222, 11403, 11532, 12670, 13020, 13032, 13454, 14415, 15204, 15624, 16290, 16833, 17298, 19005, 19220, 19530, 20181, 21720, 22444, 22806, 23064, 25340, 26040, 26908, 28055, 28830, 30408, 32580, 33635, 33666, 34596, 38010, 38440, 39060, 39277, 40362, 43245, 44888, 45612, 50499, 50680, 53816, 56110, 57015, 57660, 60543, 65160, 67270, 67332, 69192, 76020, 78120, 78554, 80724, 84165, 86490, 91224, 100905, 100998, 112220, 114030, 115320, 117831, 121086, 134540, 134664, 152040, 157108, 161448, 168330, 172980, 173941, 196385, 201810, 201996, 224440, 228060, 235662, 242172, 252495, 269080, 302715, 314216, 336660, 345960, 347882, 353493, 392770, 403620, 403992, 456120, 471324, 484344, 504990, 521823, 589155, 605430, 673320, 695764, 706986, 785540, 807240, 869705, 942648, 1009980, 1043646, 1178310, 1210860, 1217587, 1391528, 1413972, 1565469, 1571080, 1739410, 1767465, 2019960, 2087292, 2356620, 2421720, 2435174, 2609115, 2827944, 3130938, 3478820, 3534930, 3652761, 4174584, 4713240, 4870348, 5218230, 6087935, 6261876, 6957640, 7069860, 7305522, 7827345, 9740696, 10436460, 10958283, 12175870, 12523752, 14139720, 14611044, 15654690, 18263805, 20872920, 21916566, 24351740, 29222088, 31309380, 36527610, 43833132, 48703480, 54791415, 62618760, 73055220, 87666264, 109582830, 146110440, 219165660, 438331320]

約数ペア:

[(1, 438331320), (2, 219165660), (3, 146110440), (4, 109582830), (5, 87666264), (6, 73055220), (7, 62618760), (8, 54791415), (9, 48703480), (10, 43833132), (12, 36527610), (14, 31309380), (15, 29222088), (18, 24351740), (20, 21916566), (21, 20872920), (24, 18263805), (28, 15654690), (30, 14611044), (31, 14139720), (35, 12523752), (36, 12175870), (40, 10958283), (42, 10436460), (45, 9740696), (56, 7827345), (60, 7305522), (62, 7069860), (63, 6957640), (70, 6261876), (72, 6087935), (84, 5218230), (90, 4870348), (93, 4713240), (105, 4174584), (120, 3652761), (124, 3534930), (126, 3478820), (140, 3130938), (155, 2827944), (168, 2609115), (180, 2435174), (181, 2421720), (186, 2356620), (210, 2087292), (217, 2019960), (248, 1767465), (252, 1739410), (279, 1571080), (280, 1565469), (310, 1413972), (315, 1391528), (360, 1217587), (362, 1210860), (372, 1178310), (420, 1043646), (434, 1009980), (465, 942648), (504, 869705), (543, 807240), (558, 785540), (620, 706986), (630, 695764), (651, 673320), (724, 605430), (744, 589155), (840, 521823), (868, 504990), (905, 484344), (930, 471324), (961, 456120), (1085, 403992), (1086, 403620), (1116, 392770), (1240, 353493), (1260, 347882), (1267, 345960), (1302, 336660), (1395, 314216), (1448, 302715), (1629, 269080), (1736, 252495), (1810, 242172), (1860, 235662), (1922, 228060), (1953, 224440), (2170, 201996), (2172, 201810), (2232, 196385), (2520, 173941), (2534, 172980), (2604, 168330), (2715, 161448), (2790, 157108), (2883, 152040), (3255, 134664), (3258, 134540), (3620, 121086), (3720, 117831), (3801, 115320), (3844, 114030), (3906, 112220), (4340, 100998), (4344, 100905), (4805, 91224), (5068, 86490), (5208, 84165), (5430, 80724), (5580, 78554), (5611, 78120), (5766, 76020), (6335, 69192), (6510, 67332), (6516, 67270), (6727, 65160), (7240, 60543), (7602, 57660), (7688, 57015), (7812, 56110), (8145, 53816), (8649, 50680), (8680, 50499), (9610, 45612), (9765, 44888), (10136, 43245), (10860, 40362), (11160, 39277), (11222, 39060), (11403, 38440), (11532, 38010), (12670, 34596), (13020, 33666), (13032, 33635), (13454, 32580), (14415, 30408), (15204, 28830), (15624, 28055), (16290, 26908), (16833, 26040), (17298, 25340), (19005, 23064), (19220, 22806), (19530, 22444), (20181, 21720)]