64661120

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1513

約数の個数: 64

約数和(自身を含む): 156867840

約数和(自身を除く): 92206720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 1423, 2272, 2840, 2846, 4544, 5680, 5692, 7115, 9088, 11360, 11384, 14230, 22720, 22768, 28460, 45440, 45536, 56920, 91072, 101033, 113840, 182144, 202066, 227680, 404132, 455360, 505165, 808264, 910720, 1010330, 1616528, 2020660, 3233056, 4041320, 6466112, 8082640, 12932224, 16165280, 32330560, 64661120]

約数ペア:

[(1, 64661120), (2, 32330560), (4, 16165280), (5, 12932224), (8, 8082640), (10, 6466112), (16, 4041320), (20, 3233056), (32, 2020660), (40, 1616528), (64, 1010330), (71, 910720), (80, 808264), (128, 505165), (142, 455360), (160, 404132), (284, 227680), (320, 202066), (355, 182144), (568, 113840), (640, 101033), (710, 91072), (1136, 56920), (1420, 45536), (1423, 45440), (2272, 28460), (2840, 22768), (2846, 22720), (4544, 14230), (5680, 11384), (5692, 11360), (7115, 9088)]