138766720

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4091}}^1$

素因数の和:4163

約数の個数: 64

約数和(自身を含む): 338081040

約数和(自身を除く): 199314320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 640, 848, 1060, 1696, 2120, 3392, 4091, 4240, 6784, 8182, 8480, 16364, 16960, 20455, 32728, 33920, 40910, 65456, 81820, 130912, 163640, 216823, 261824, 327280, 433646, 523648, 654560, 867292, 1084115, 1309120, 1734584, 2168230, 2618240, 3469168, 4336460, 6938336, 8672920, 13876672, 17345840, 27753344, 34691680, 69383360, 138766720]

約数ペア:

[(1, 138766720), (2, 69383360), (4, 34691680), (5, 27753344), (8, 17345840), (10, 13876672), (16, 8672920), (20, 6938336), (32, 4336460), (40, 3469168), (53, 2618240), (64, 2168230), (80, 1734584), (106, 1309120), (128, 1084115), (160, 867292), (212, 654560), (265, 523648), (320, 433646), (424, 327280), (530, 261824), (640, 216823), (848, 163640), (1060, 130912), (1696, 81820), (2120, 65456), (3392, 40910), (4091, 33920), (4240, 32728), (6784, 20455), (8182, 16960), (8480, 16364)]