80877440

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{2579}}^1$

素因数の和:2612

約数の個数: 96

約数和(自身を含む): 225001800

約数和(自身を除く): 144124360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 2579, 3136, 3920, 4480, 5158, 6272, 7840, 10316, 12895, 15680, 18053, 20632, 25790, 31360, 36106, 41264, 51580, 72212, 82528, 90265, 103160, 126371, 144424, 165056, 180530, 206320, 252742, 288848, 330112, 361060, 412640, 505484, 577696, 631855, 722120, 825280, 1010968, 1155392, 1263710, 1444240, 1650560, 2021936, 2310784, 2527420, 2888480, 4043872, 5054840, 5776960, 8087744, 10109680, 11553920, 16175488, 20219360, 40438720, 80877440]

約数ペア:

[(1, 80877440), (2, 40438720), (4, 20219360), (5, 16175488), (7, 11553920), (8, 10109680), (10, 8087744), (14, 5776960), (16, 5054840), (20, 4043872), (28, 2888480), (32, 2527420), (35, 2310784), (40, 2021936), (49, 1650560), (56, 1444240), (64, 1263710), (70, 1155392), (80, 1010968), (98, 825280), (112, 722120), (128, 631855), (140, 577696), (160, 505484), (196, 412640), (224, 361060), (245, 330112), (280, 288848), (320, 252742), (392, 206320), (448, 180530), (490, 165056), (560, 144424), (640, 126371), (784, 103160), (896, 90265), (980, 82528), (1120, 72212), (1568, 51580), (1960, 41264), (2240, 36106), (2579, 31360), (3136, 25790), (3920, 20632), (4480, 18053), (5158, 15680), (6272, 12895), (7840, 10316)]