90449320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 227714760

約数和(自身を除く): 137265440

約数列:

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

約数ペア:

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