66954880

素因数分解:

$2^7\times 5^1\times {\mathrm{233}}^1\times {\mathrm{449}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 161109000

約数和(自身を除く): 94154120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 233, 320, 449, 466, 640, 898, 932, 1165, 1796, 1864, 2245, 2330, 3592, 3728, 4490, 4660, 7184, 7456, 8980, 9320, 14368, 14912, 17960, 18640, 28736, 29824, 35920, 37280, 57472, 71840, 74560, 104617, 143680, 149120, 209234, 287360, 418468, 523085, 836936, 1046170, 1673872, 2092340, 3347744, 4184680, 6695488, 8369360, 13390976, 16738720, 33477440, 66954880]

約数ペア:

[(1, 66954880), (2, 33477440), (4, 16738720), (5, 13390976), (8, 8369360), (10, 6695488), (16, 4184680), (20, 3347744), (32, 2092340), (40, 1673872), (64, 1046170), (80, 836936), (128, 523085), (160, 418468), (233, 287360), (320, 209234), (449, 149120), (466, 143680), (640, 104617), (898, 74560), (932, 71840), (1165, 57472), (1796, 37280), (1864, 35920), (2245, 29824), (2330, 28736), (3592, 18640), (3728, 17960), (4490, 14912), (4660, 14368), (7184, 9320), (7456, 8980)]