31971520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{2039}}^1$

素因数の和:2070

約数の個数: 84

約数和(自身を含む): 88605360

約数和(自身を除く): 56633840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2039, 2240, 3136, 3920, 4078, 7840, 8156, 10195, 14273, 15680, 16312, 20390, 28546, 32624, 40780, 57092, 65248, 71365, 81560, 99911, 114184, 130496, 142730, 163120, 199822, 228368, 285460, 326240, 399644, 456736, 499555, 570920, 652480, 799288, 913472, 999110, 1141840, 1598576, 1998220, 2283680, 3197152, 3996440, 4567360, 6394304, 7992880, 15985760, 31971520]

約数ペア:

[(1, 31971520), (2, 15985760), (4, 7992880), (5, 6394304), (7, 4567360), (8, 3996440), (10, 3197152), (14, 2283680), (16, 1998220), (20, 1598576), (28, 1141840), (32, 999110), (35, 913472), (40, 799288), (49, 652480), (56, 570920), (64, 499555), (70, 456736), (80, 399644), (98, 326240), (112, 285460), (140, 228368), (160, 199822), (196, 163120), (224, 142730), (245, 130496), (280, 114184), (320, 99911), (392, 81560), (448, 71365), (490, 65248), (560, 57092), (784, 40780), (980, 32624), (1120, 28546), (1568, 20390), (1960, 16312), (2039, 15680), (2240, 14273), (3136, 10195), (3920, 8156), (4078, 7840)]