447601280

素因数分解:

$2^7\times 5^1\times 7^3\times {\mathrm{2039}}^1$

素因数の和:2079

約数の個数: 128

約数和(自身を含む): 1248480000

約数和(自身を除く): 800878720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 640, 686, 784, 896, 980, 1120, 1372, 1568, 1715, 1960, 2039, 2240, 2744, 3136, 3430, 3920, 4078, 4480, 5488, 6272, 6860, 7840, 8156, 10195, 10976, 13720, 14273, 15680, 16312, 20390, 21952, 27440, 28546, 31360, 32624, 40780, 43904, 54880, 57092, 65248, 71365, 81560, 99911, 109760, 114184, 130496, 142730, 163120, 199822, 219520, 228368, 260992, 285460, 326240, 399644, 456736, 499555, 570920, 652480, 699377, 799288, 913472, 999110, 1141840, 1304960, 1398754, 1598576, 1826944, 1998220, 2283680, 2797508, 3197152, 3496885, 3996440, 4567360, 5595016, 6394304, 6993770, 7992880, 9134720, 11190032, 12788608, 13987540, 15985760, 22380064, 27975080, 31971520, 44760128, 55950160, 63943040, 89520256, 111900320, 223800640, 447601280]

約数ペア:

[(1, 447601280), (2, 223800640), (4, 111900320), (5, 89520256), (7, 63943040), (8, 55950160), (10, 44760128), (14, 31971520), (16, 27975080), (20, 22380064), (28, 15985760), (32, 13987540), (35, 12788608), (40, 11190032), (49, 9134720), (56, 7992880), (64, 6993770), (70, 6394304), (80, 5595016), (98, 4567360), (112, 3996440), (128, 3496885), (140, 3197152), (160, 2797508), (196, 2283680), (224, 1998220), (245, 1826944), (280, 1598576), (320, 1398754), (343, 1304960), (392, 1141840), (448, 999110), (490, 913472), (560, 799288), (640, 699377), (686, 652480), (784, 570920), (896, 499555), (980, 456736), (1120, 399644), (1372, 326240), (1568, 285460), (1715, 260992), (1960, 228368), (2039, 219520), (2240, 199822), (2744, 163120), (3136, 142730), (3430, 130496), (3920, 114184), (4078, 109760), (4480, 99911), (5488, 81560), (6272, 71365), (6860, 65248), (7840, 57092), (8156, 54880), (10195, 43904), (10976, 40780), (13720, 32624), (14273, 31360), (15680, 28546), (16312, 27440), (20390, 21952)]