66808320

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{8699}}^1$

素因数の和:8725

約数の個数: 80

約数和(自身を含む): 213602400

約数和(自身を除く): 146794080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 8699, 17398, 26097, 34796, 43495, 52194, 69592, 86990, 104388, 130485, 139184, 173980, 208776, 260970, 278368, 347960, 417552, 521940, 556736, 695920, 835104, 1043880, 1113472, 1391840, 1670208, 2087760, 2226944, 2783680, 3340416, 4175520, 4453888, 5567360, 6680832, 8351040, 11134720, 13361664, 16702080, 22269440, 33404160, 66808320]

約数ペア:

[(1, 66808320), (2, 33404160), (3, 22269440), (4, 16702080), (5, 13361664), (6, 11134720), (8, 8351040), (10, 6680832), (12, 5567360), (15, 4453888), (16, 4175520), (20, 3340416), (24, 2783680), (30, 2226944), (32, 2087760), (40, 1670208), (48, 1391840), (60, 1113472), (64, 1043880), (80, 835104), (96, 695920), (120, 556736), (128, 521940), (160, 417552), (192, 347960), (240, 278368), (256, 260970), (320, 208776), (384, 173980), (480, 139184), (512, 130485), (640, 104388), (768, 86990), (960, 69592), (1280, 52194), (1536, 43495), (1920, 34796), (2560, 26097), (3840, 17398), (7680, 8699)]