180780640

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{13613}}^1$

素因数の和:13711

約数の個数: 48

約数和(自身を含む): 432271728

約数和(自身を除く): 251491088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 13280, 13613, 27226, 54452, 68065, 108904, 136130, 217808, 272260, 435616, 544520, 1089040, 1129879, 2178080, 2259758, 4519516, 5649395, 9039032, 11298790, 18078064, 22597580, 36156128, 45195160, 90390320, 180780640]

約数ペア:

[(1, 180780640), (2, 90390320), (4, 45195160), (5, 36156128), (8, 22597580), (10, 18078064), (16, 11298790), (20, 9039032), (32, 5649395), (40, 4519516), (80, 2259758), (83, 2178080), (160, 1129879), (166, 1089040), (332, 544520), (415, 435616), (664, 272260), (830, 217808), (1328, 136130), (1660, 108904), (2656, 68065), (3320, 54452), (6640, 27226), (13280, 13613)]