686615280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:320

約数の個数: 240

約数和(自身を含む): 2378910240

約数和(自身を除く): 1692294960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 195, 208, 229, 240, 248, 260, 310, 312, 372, 390, 403, 458, 465, 496, 520, 620, 624, 687, 744, 780, 806, 916, 930, 961, 1040, 1145, 1209, 1240, 1374, 1488, 1560, 1612, 1832, 1860, 1922, 2015, 2290, 2418, 2480, 2748, 2883, 2977, 3120, 3224, 3435, 3664, 3720, 3844, 4030, 4580, 4805, 4836, 5496, 5766, 5954, 6045, 6448, 6870, 7099, 7440, 7688, 8060, 8931, 9160, 9610, 9672, 10992, 11532, 11908, 12090, 12493, 13740, 14198, 14415, 14885, 15376, 16120, 17862, 18320, 19220, 19344, 21297, 23064, 23816, 24180, 24986, 27480, 28396, 28830, 29770, 32240, 35495, 35724, 37479, 38440, 42594, 44655, 46128, 47632, 48360, 49972, 54960, 56792, 57660, 59540, 62465, 70990, 71448, 74958, 76880, 85188, 89310, 92287, 96720, 99944, 106485, 113584, 115320, 119080, 124930, 141980, 142896, 149916, 170376, 178620, 184574, 187395, 199888, 212970, 220069, 230640, 238160, 249860, 276861, 283960, 299832, 340752, 357240, 369148, 374790, 425940, 440138, 461435, 499720, 553722, 567920, 599664, 660207, 714480, 738296, 749580, 851880, 880276, 922870, 999440, 1100345, 1107444, 1320414, 1384305, 1476592, 1499160, 1703760, 1760552, 1845740, 2200690, 2214888, 2640828, 2768610, 2860897, 2998320, 3301035, 3521104, 3691480, 4401380, 4429776, 5281656, 5537220, 5721794, 6602070, 7382960, 8582691, 8802760, 10563312, 11074440, 11443588, 13204140, 14304485, 17165382, 17605520, 22148880, 22887176, 26408280, 28608970, 34330764, 42913455, 45774352, 52816560, 57217940, 68661528, 85826910, 114435880, 137323056, 171653820, 228871760, 343307640, 686615280]

約数ペア:

[(1, 686615280), (2, 343307640), (3, 228871760), (4, 171653820), (5, 137323056), (6, 114435880), (8, 85826910), (10, 68661528), (12, 57217940), (13, 52816560), (15, 45774352), (16, 42913455), (20, 34330764), (24, 28608970), (26, 26408280), (30, 22887176), (31, 22148880), (39, 17605520), (40, 17165382), (48, 14304485), (52, 13204140), (60, 11443588), (62, 11074440), (65, 10563312), (78, 8802760), (80, 8582691), (93, 7382960), (104, 6602070), (120, 5721794), (124, 5537220), (130, 5281656), (155, 4429776), (156, 4401380), (186, 3691480), (195, 3521104), (208, 3301035), (229, 2998320), (240, 2860897), (248, 2768610), (260, 2640828), (310, 2214888), (312, 2200690), (372, 1845740), (390, 1760552), (403, 1703760), (458, 1499160), (465, 1476592), (496, 1384305), (520, 1320414), (620, 1107444), (624, 1100345), (687, 999440), (744, 922870), (780, 880276), (806, 851880), (916, 749580), (930, 738296), (961, 714480), (1040, 660207), (1145, 599664), (1209, 567920), (1240, 553722), (1374, 499720), (1488, 461435), (1560, 440138), (1612, 425940), (1832, 374790), (1860, 369148), (1922, 357240), (2015, 340752), (2290, 299832), (2418, 283960), (2480, 276861), (2748, 249860), (2883, 238160), (2977, 230640), (3120, 220069), (3224, 212970), (3435, 199888), (3664, 187395), (3720, 184574), (3844, 178620), (4030, 170376), (4580, 149916), (4805, 142896), (4836, 141980), (5496, 124930), (5766, 119080), (5954, 115320), (6045, 113584), (6448, 106485), (6870, 99944), (7099, 96720), (7440, 92287), (7688, 89310), (8060, 85188), (8931, 76880), (9160, 74958), (9610, 71448), (9672, 70990), (10992, 62465), (11532, 59540), (11908, 57660), (12090, 56792), (12493, 54960), (13740, 49972), (14198, 48360), (14415, 47632), (14885, 46128), (15376, 44655), (16120, 42594), (17862, 38440), (18320, 37479), (19220, 35724), (19344, 35495), (21297, 32240), (23064, 29770), (23816, 28830), (24180, 28396), (24986, 27480)]