493898040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1997}}^1$

素因数の和:2246

約数の個数: 128

約数和(自身を含む): 1654344000

約数和(自身を除く): 1160445960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 229, 270, 360, 458, 540, 687, 916, 1080, 1145, 1374, 1832, 1997, 2061, 2290, 2748, 3435, 3994, 4122, 4580, 5496, 5991, 6183, 6870, 7988, 8244, 9160, 9985, 10305, 11982, 12366, 13740, 15976, 16488, 17973, 19970, 20610, 23964, 24732, 27480, 29955, 30915, 35946, 39940, 41220, 47928, 49464, 53919, 59910, 61830, 71892, 79880, 82440, 89865, 107838, 119820, 123660, 143784, 179730, 215676, 239640, 247320, 269595, 359460, 431352, 457313, 539190, 718920, 914626, 1078380, 1371939, 1829252, 2156760, 2286565, 2743878, 3658504, 4115817, 4573130, 5487756, 6859695, 8231634, 9146260, 10975512, 12347451, 13719390, 16463268, 18292520, 20579085, 24694902, 27438780, 32926536, 41158170, 49389804, 54877560, 61737255, 82316340, 98779608, 123474510, 164632680, 246949020, 493898040]

約数ペア:

[(1, 493898040), (2, 246949020), (3, 164632680), (4, 123474510), (5, 98779608), (6, 82316340), (8, 61737255), (9, 54877560), (10, 49389804), (12, 41158170), (15, 32926536), (18, 27438780), (20, 24694902), (24, 20579085), (27, 18292520), (30, 16463268), (36, 13719390), (40, 12347451), (45, 10975512), (54, 9146260), (60, 8231634), (72, 6859695), (90, 5487756), (108, 4573130), (120, 4115817), (135, 3658504), (180, 2743878), (216, 2286565), (229, 2156760), (270, 1829252), (360, 1371939), (458, 1078380), (540, 914626), (687, 718920), (916, 539190), (1080, 457313), (1145, 431352), (1374, 359460), (1832, 269595), (1997, 247320), (2061, 239640), (2290, 215676), (2748, 179730), (3435, 143784), (3994, 123660), (4122, 119820), (4580, 107838), (5496, 89865), (5991, 82440), (6183, 79880), (6870, 71892), (7988, 61830), (8244, 59910), (9160, 53919), (9985, 49464), (10305, 47928), (11982, 41220), (12366, 39940), (13740, 35946), (15976, 30915), (16488, 29955), (17973, 27480), (19970, 24732), (20610, 23964)]