157021120

素因数分解:

$2^6\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2711}}^1$

素因数の和:2909

約数の個数: 56

約数和(自身を含む): 376111008

約数和(自身を除く): 219089888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 181, 320, 362, 724, 905, 1448, 1810, 2711, 2896, 3620, 5422, 5792, 7240, 10844, 11584, 13555, 14480, 21688, 27110, 28960, 43376, 54220, 57920, 86752, 108440, 173504, 216880, 433760, 490691, 867520, 981382, 1962764, 2453455, 3925528, 4906910, 7851056, 9813820, 15702112, 19627640, 31404224, 39255280, 78510560, 157021120]

約数ペア:

[(1, 157021120), (2, 78510560), (4, 39255280), (5, 31404224), (8, 19627640), (10, 15702112), (16, 9813820), (20, 7851056), (32, 4906910), (40, 3925528), (64, 2453455), (80, 1962764), (160, 981382), (181, 867520), (320, 490691), (362, 433760), (724, 216880), (905, 173504), (1448, 108440), (1810, 86752), (2711, 57920), (2896, 54220), (3620, 43376), (5422, 28960), (5792, 27110), (7240, 21688), (10844, 14480), (11584, 13555)]