66915840

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{8713}}^1$

素因数の和:8739

約数の個数: 80

約数和(自身を含む): 213946128

約数和(自身を除く): 147030288

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, 8713, 17426, 26139, 34852, 43565, 52278, 69704, 87130, 104556, 130695, 139408, 174260, 209112, 261390, 278816, 348520, 418224, 522780, 557632, 697040, 836448, 1045560, 1115264, 1394080, 1672896, 2091120, 2230528, 2788160, 3345792, 4182240, 4461056, 5576320, 6691584, 8364480, 11152640, 13383168, 16728960, 22305280, 33457920, 66915840]

約数ペア:

[(1, 66915840), (2, 33457920), (3, 22305280), (4, 16728960), (5, 13383168), (6, 11152640), (8, 8364480), (10, 6691584), (12, 5576320), (15, 4461056), (16, 4182240), (20, 3345792), (24, 2788160), (30, 2230528), (32, 2091120), (40, 1672896), (48, 1394080), (60, 1115264), (64, 1045560), (80, 836448), (96, 697040), (120, 557632), (128, 522780), (160, 418224), (192, 348520), (240, 278816), (256, 261390), (320, 209112), (384, 174260), (480, 139408), (512, 130695), (640, 104556), (768, 87130), (960, 69704), (1280, 52278), (1536, 43565), (1920, 34852), (2560, 26139), (3840, 17426), (7680, 8713)]