81950720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 201670560

約数和(自身を除く): 119719840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 151, 160, 212, 256, 265, 302, 320, 424, 512, 530, 604, 640, 755, 848, 1024, 1060, 1208, 1280, 1510, 1696, 2048, 2120, 2416, 2560, 3020, 3392, 4240, 4832, 5120, 6040, 6784, 8003, 8480, 9664, 10240, 12080, 13568, 16006, 16960, 19328, 24160, 27136, 32012, 33920, 38656, 40015, 48320, 54272, 64024, 67840, 77312, 80030, 96640, 108544, 128048, 135680, 154624, 160060, 193280, 256096, 271360, 309248, 320120, 386560, 512192, 542720, 640240, 773120, 1024384, 1280480, 1546240, 2048768, 2560960, 4097536, 5121920, 8195072, 10243840, 16390144, 20487680, 40975360, 81950720]

約数ペア:

[(1, 81950720), (2, 40975360), (4, 20487680), (5, 16390144), (8, 10243840), (10, 8195072), (16, 5121920), (20, 4097536), (32, 2560960), (40, 2048768), (53, 1546240), (64, 1280480), (80, 1024384), (106, 773120), (128, 640240), (151, 542720), (160, 512192), (212, 386560), (256, 320120), (265, 309248), (302, 271360), (320, 256096), (424, 193280), (512, 160060), (530, 154624), (604, 135680), (640, 128048), (755, 108544), (848, 96640), (1024, 80030), (1060, 77312), (1208, 67840), (1280, 64024), (1510, 54272), (1696, 48320), (2048, 40015), (2120, 38656), (2416, 33920), (2560, 32012), (3020, 27136), (3392, 24160), (4240, 19328), (4832, 16960), (5120, 16006), (6040, 13568), (6784, 12080), (8003, 10240), (8480, 9664)]