204876800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 132

約数和(自身を含む): 520855056

約数和(自身を除く): 315978256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 64, 80, 100, 106, 128, 151, 160, 200, 212, 256, 265, 302, 320, 400, 424, 512, 530, 604, 640, 755, 800, 848, 1024, 1060, 1208, 1280, 1325, 1510, 1600, 1696, 2120, 2416, 2560, 2650, 3020, 3200, 3392, 3775, 4240, 4832, 5120, 5300, 6040, 6400, 6784, 7550, 8003, 8480, 9664, 10600, 12080, 12800, 13568, 15100, 16006, 16960, 19328, 21200, 24160, 25600, 27136, 30200, 32012, 33920, 38656, 40015, 42400, 48320, 54272, 60400, 64024, 67840, 77312, 80030, 84800, 96640, 120800, 128048, 135680, 154624, 160060, 169600, 193280, 200075, 241600, 256096, 271360, 320120, 339200, 386560, 400150, 483200, 512192, 640240, 678400, 773120, 800300, 966400, 1024384, 1280480, 1356800, 1600600, 1932800, 2048768, 2560960, 3201200, 3865600, 4097536, 5121920, 6402400, 8195072, 10243840, 12804800, 20487680, 25609600, 40975360, 51219200, 102438400, 204876800]

約数ペア:

[(1, 204876800), (2, 102438400), (4, 51219200), (5, 40975360), (8, 25609600), (10, 20487680), (16, 12804800), (20, 10243840), (25, 8195072), (32, 6402400), (40, 5121920), (50, 4097536), (53, 3865600), (64, 3201200), (80, 2560960), (100, 2048768), (106, 1932800), (128, 1600600), (151, 1356800), (160, 1280480), (200, 1024384), (212, 966400), (256, 800300), (265, 773120), (302, 678400), (320, 640240), (400, 512192), (424, 483200), (512, 400150), (530, 386560), (604, 339200), (640, 320120), (755, 271360), (800, 256096), (848, 241600), (1024, 200075), (1060, 193280), (1208, 169600), (1280, 160060), (1325, 154624), (1510, 135680), (1600, 128048), (1696, 120800), (2120, 96640), (2416, 84800), (2560, 80030), (2650, 77312), (3020, 67840), (3200, 64024), (3392, 60400), (3775, 54272), (4240, 48320), (4832, 42400), (5120, 40015), (5300, 38656), (6040, 33920), (6400, 32012), (6784, 30200), (7550, 27136), (8003, 25600), (8480, 24160), (9664, 21200), (10600, 19328), (12080, 16960), (12800, 16006), (13568, 15100)]