64406720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{28753}}^1$

素因数の和:28777

約数の個数: 56

約数和(自身を含む): 175284384

約数和(自身を除く): 110877664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 28753, 57506, 115012, 143765, 201271, 230024, 287530, 402542, 460048, 575060, 805084, 920096, 1006355, 1150120, 1610168, 1840192, 2012710, 2300240, 3220336, 4025420, 4600480, 6440672, 8050840, 9200960, 12881344, 16101680, 32203360, 64406720]

約数ペア:

[(1, 64406720), (2, 32203360), (4, 16101680), (5, 12881344), (7, 9200960), (8, 8050840), (10, 6440672), (14, 4600480), (16, 4025420), (20, 3220336), (28, 2300240), (32, 2012710), (35, 1840192), (40, 1610168), (56, 1150120), (64, 1006355), (70, 920096), (80, 805084), (112, 575060), (140, 460048), (160, 402542), (224, 287530), (280, 230024), (320, 201271), (448, 143765), (560, 115012), (1120, 57506), (2240, 28753)]