155726720

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4591}}^1$

素因数の和:4663

約数の個数: 64

約数和(自身を含む): 379391040

約数和(自身を除く): 223664320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4240, 4591, 6784, 8480, 9182, 16960, 18364, 22955, 33920, 36728, 45910, 73456, 91820, 146912, 183640, 243323, 293824, 367280, 486646, 587648, 734560, 973292, 1216615, 1469120, 1946584, 2433230, 2938240, 3893168, 4866460, 7786336, 9732920, 15572672, 19465840, 31145344, 38931680, 77863360, 155726720]

約数ペア:

[(1, 155726720), (2, 77863360), (4, 38931680), (5, 31145344), (8, 19465840), (10, 15572672), (16, 9732920), (20, 7786336), (32, 4866460), (40, 3893168), (53, 2938240), (64, 2433230), (80, 1946584), (106, 1469120), (128, 1216615), (160, 973292), (212, 734560), (265, 587648), (320, 486646), (424, 367280), (530, 293824), (640, 243323), (848, 183640), (1060, 146912), (1696, 91820), (2120, 73456), (3392, 45910), (4240, 36728), (4591, 33920), (6784, 22955), (8480, 18364), (9182, 16960)]