255772160

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{2039}}^1$

素因数の和:2076

約数の個数: 120

約数和(自身を含む): 713726640

約数和(自身を除く): 457954480

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, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2039, 2240, 2560, 3136, 3584, 3920, 4078, 4480, 6272, 7840, 8156, 8960, 10195, 12544, 14273, 15680, 16312, 17920, 20390, 25088, 28546, 31360, 32624, 40780, 57092, 62720, 65248, 71365, 81560, 99911, 114184, 125440, 130496, 142730, 163120, 199822, 228368, 260992, 285460, 326240, 399644, 456736, 499555, 521984, 570920, 652480, 799288, 913472, 999110, 1043968, 1141840, 1304960, 1598576, 1826944, 1998220, 2283680, 2609920, 3197152, 3653888, 3996440, 4567360, 5219840, 6394304, 7307776, 7992880, 9134720, 12788608, 15985760, 18269440, 25577216, 31971520, 36538880, 51154432, 63943040, 127886080, 255772160]

約数ペア:

[(1, 255772160), (2, 127886080), (4, 63943040), (5, 51154432), (7, 36538880), (8, 31971520), (10, 25577216), (14, 18269440), (16, 15985760), (20, 12788608), (28, 9134720), (32, 7992880), (35, 7307776), (40, 6394304), (49, 5219840), (56, 4567360), (64, 3996440), (70, 3653888), (80, 3197152), (98, 2609920), (112, 2283680), (128, 1998220), (140, 1826944), (160, 1598576), (196, 1304960), (224, 1141840), (245, 1043968), (256, 999110), (280, 913472), (320, 799288), (392, 652480), (448, 570920), (490, 521984), (512, 499555), (560, 456736), (640, 399644), (784, 326240), (896, 285460), (980, 260992), (1120, 228368), (1280, 199822), (1568, 163120), (1792, 142730), (1960, 130496), (2039, 125440), (2240, 114184), (2560, 99911), (3136, 81560), (3584, 71365), (3920, 65248), (4078, 62720), (4480, 57092), (6272, 40780), (7840, 32624), (8156, 31360), (8960, 28546), (10195, 25088), (12544, 20390), (14273, 17920), (15680, 16312)]