180898640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 470610504

約数和(自身を除く): 289711864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 181, 208, 248, 260, 310, 362, 403, 496, 520, 620, 724, 806, 905, 961, 1040, 1240, 1448, 1612, 1810, 1922, 2015, 2353, 2480, 2896, 3224, 3620, 3844, 4030, 4706, 4805, 5611, 6448, 7240, 7688, 8060, 9412, 9610, 11222, 11765, 12493, 14480, 15376, 16120, 18824, 19220, 22444, 23530, 24986, 28055, 32240, 37648, 38440, 44888, 47060, 49972, 56110, 62465, 72943, 76880, 89776, 94120, 99944, 112220, 124930, 145886, 173941, 188240, 199888, 224440, 249860, 291772, 347882, 364715, 448880, 499720, 583544, 695764, 729430, 869705, 999440, 1167088, 1391528, 1458860, 1739410, 2261233, 2783056, 2917720, 3478820, 4522466, 5835440, 6957640, 9044932, 11306165, 13915280, 18089864, 22612330, 36179728, 45224660, 90449320, 180898640]

約数ペア:

[(1, 180898640), (2, 90449320), (4, 45224660), (5, 36179728), (8, 22612330), (10, 18089864), (13, 13915280), (16, 11306165), (20, 9044932), (26, 6957640), (31, 5835440), (40, 4522466), (52, 3478820), (62, 2917720), (65, 2783056), (80, 2261233), (104, 1739410), (124, 1458860), (130, 1391528), (155, 1167088), (181, 999440), (208, 869705), (248, 729430), (260, 695764), (310, 583544), (362, 499720), (403, 448880), (496, 364715), (520, 347882), (620, 291772), (724, 249860), (806, 224440), (905, 199888), (961, 188240), (1040, 173941), (1240, 145886), (1448, 124930), (1612, 112220), (1810, 99944), (1922, 94120), (2015, 89776), (2353, 76880), (2480, 72943), (2896, 62465), (3224, 56110), (3620, 49972), (3844, 47060), (4030, 44888), (4706, 38440), (4805, 37648), (5611, 32240), (6448, 28055), (7240, 24986), (7688, 23530), (8060, 22444), (9412, 19220), (9610, 18824), (11222, 16120), (11765, 15376), (12493, 14480)]