1991334240

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{65851}}^1$

素因数の和:65882

約数の個数: 192

約数和(自身を含む): 7965457920

約数和(自身を除く): 5974123680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 65851, 131702, 197553, 263404, 329255, 395106, 460957, 526808, 592659, 658510, 790212, 921914, 987765, 1053616, 1185318, 1317020, 1382871, 1580424, 1777977, 1843828, 1975530, 2107232, 2304785, 2370636, 2634040, 2765742, 2963295, 3160848, 3555954, 3687656, 3951060, 4148613, 4609570, 4741272, 5268080, 5531484, 5926590, 6321696, 6914355, 7111908, 7375312, 7902120, 8297226, 8889885, 9219140, 9482544, 10536160, 11062968, 11853180, 12445839, 13828710, 14223816, 14750624, 15804240, 16594452, 17779770, 18438280, 18965088, 20743065, 22125936, 23706360, 24891678, 27657420, 28447632, 31608480, 33188904, 35559540, 36876560, 41486130, 44251872, 47412720, 49783356, 55314840, 56895264, 62229195, 66377808, 71119080, 73753120, 82972260, 94825440, 99566712, 110629680, 124458390, 132755616, 142238160, 165944520, 199133424, 221259360, 248916780, 284476320, 331889040, 398266848, 497833560, 663778080, 995667120, 1991334240]

約数ペア:

[(1, 1991334240), (2, 995667120), (3, 663778080), (4, 497833560), (5, 398266848), (6, 331889040), (7, 284476320), (8, 248916780), (9, 221259360), (10, 199133424), (12, 165944520), (14, 142238160), (15, 132755616), (16, 124458390), (18, 110629680), (20, 99566712), (21, 94825440), (24, 82972260), (27, 73753120), (28, 71119080), (30, 66377808), (32, 62229195), (35, 56895264), (36, 55314840), (40, 49783356), (42, 47412720), (45, 44251872), (48, 41486130), (54, 36876560), (56, 35559540), (60, 33188904), (63, 31608480), (70, 28447632), (72, 27657420), (80, 24891678), (84, 23706360), (90, 22125936), (96, 20743065), (105, 18965088), (108, 18438280), (112, 17779770), (120, 16594452), (126, 15804240), (135, 14750624), (140, 14223816), (144, 13828710), (160, 12445839), (168, 11853180), (180, 11062968), (189, 10536160), (210, 9482544), (216, 9219140), (224, 8889885), (240, 8297226), (252, 7902120), (270, 7375312), (280, 7111908), (288, 6914355), (315, 6321696), (336, 5926590), (360, 5531484), (378, 5268080), (420, 4741272), (432, 4609570), (480, 4148613), (504, 3951060), (540, 3687656), (560, 3555954), (630, 3160848), (672, 2963295), (720, 2765742), (756, 2634040), (840, 2370636), (864, 2304785), (945, 2107232), (1008, 1975530), (1080, 1843828), (1120, 1777977), (1260, 1580424), (1440, 1382871), (1512, 1317020), (1680, 1185318), (1890, 1053616), (2016, 987765), (2160, 921914), (2520, 790212), (3024, 658510), (3360, 592659), (3780, 526808), (4320, 460957), (5040, 395106), (6048, 329255), (7560, 263404), (10080, 197553), (15120, 131702), (30240, 65851)]