79928800

素因数分解:

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

素因数の和:2073

約数の個数: 108

約数和(自身を含む): 227094840

約数和(自身を除く): 147166040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2039, 2450, 2800, 3920, 4078, 4900, 5600, 7840, 8156, 9800, 10195, 14273, 16312, 19600, 20390, 28546, 32624, 39200, 40780, 50975, 57092, 65248, 71365, 81560, 99911, 101950, 114184, 142730, 163120, 199822, 203900, 228368, 285460, 326240, 356825, 399644, 407800, 456736, 499555, 570920, 713650, 799288, 815600, 999110, 1141840, 1427300, 1598576, 1631200, 1998220, 2283680, 2497775, 2854600, 3197152, 3996440, 4995550, 5709200, 7992880, 9991100, 11418400, 15985760, 19982200, 39964400, 79928800]

約数ペア:

[(1, 79928800), (2, 39964400), (4, 19982200), (5, 15985760), (7, 11418400), (8, 9991100), (10, 7992880), (14, 5709200), (16, 4995550), (20, 3996440), (25, 3197152), (28, 2854600), (32, 2497775), (35, 2283680), (40, 1998220), (49, 1631200), (50, 1598576), (56, 1427300), (70, 1141840), (80, 999110), (98, 815600), (100, 799288), (112, 713650), (140, 570920), (160, 499555), (175, 456736), (196, 407800), (200, 399644), (224, 356825), (245, 326240), (280, 285460), (350, 228368), (392, 203900), (400, 199822), (490, 163120), (560, 142730), (700, 114184), (784, 101950), (800, 99911), (980, 81560), (1120, 71365), (1225, 65248), (1400, 57092), (1568, 50975), (1960, 40780), (2039, 39200), (2450, 32624), (2800, 28546), (3920, 20390), (4078, 19600), (4900, 16312), (5600, 14273), (7840, 10195), (8156, 9800)]