156653440

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1621}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 377212320

約数和(自身を除く): 220558880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 302, 320, 604, 640, 755, 1208, 1510, 1621, 2416, 3020, 3242, 4832, 6040, 6484, 8105, 9664, 12080, 12968, 16210, 19328, 24160, 25936, 32420, 48320, 51872, 64840, 96640, 103744, 129680, 207488, 244771, 259360, 489542, 518720, 979084, 1037440, 1223855, 1958168, 2447710, 3916336, 4895420, 7832672, 9790840, 15665344, 19581680, 31330688, 39163360, 78326720, 156653440]

約数ペア:

[(1, 156653440), (2, 78326720), (4, 39163360), (5, 31330688), (8, 19581680), (10, 15665344), (16, 9790840), (20, 7832672), (32, 4895420), (40, 3916336), (64, 2447710), (80, 1958168), (128, 1223855), (151, 1037440), (160, 979084), (302, 518720), (320, 489542), (604, 259360), (640, 244771), (755, 207488), (1208, 129680), (1510, 103744), (1621, 96640), (2416, 64840), (3020, 51872), (3242, 48320), (4832, 32420), (6040, 25936), (6484, 24160), (8105, 19328), (9664, 16210), (12080, 12968)]