72078800

素因数分解:

$2^4\times 5^2\times {\mathrm{367}}^1\times {\mathrm{491}}^1$

素因数の和:876

約数の個数: 60

約数和(自身を含む): 173994816

約数和(自身を除く): 101916016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 367, 400, 491, 734, 982, 1468, 1835, 1964, 2455, 2936, 3670, 3928, 4910, 5872, 7340, 7856, 9175, 9820, 12275, 14680, 18350, 19640, 24550, 29360, 36700, 39280, 49100, 73400, 98200, 146800, 180197, 196400, 360394, 720788, 900985, 1441576, 1801970, 2883152, 3603940, 4504925, 7207880, 9009850, 14415760, 18019700, 36039400, 72078800]

約数ペア:

[(1, 72078800), (2, 36039400), (4, 18019700), (5, 14415760), (8, 9009850), (10, 7207880), (16, 4504925), (20, 3603940), (25, 2883152), (40, 1801970), (50, 1441576), (80, 900985), (100, 720788), (200, 360394), (367, 196400), (400, 180197), (491, 146800), (734, 98200), (982, 73400), (1468, 49100), (1835, 39280), (1964, 36700), (2455, 29360), (2936, 24550), (3670, 19640), (3928, 18350), (4910, 14680), (5872, 12275), (7340, 9820), (7856, 9175)]