9721280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1787}}^1$

素因数の和:1821

約数の個数: 56

約数和(自身を含む): 24524208

約数和(自身を除く): 14802928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 1787, 2720, 3574, 5440, 7148, 8935, 14296, 17870, 28592, 30379, 35740, 57184, 60758, 71480, 114368, 121516, 142960, 151895, 243032, 285920, 303790, 486064, 571840, 607580, 972128, 1215160, 1944256, 2430320, 4860640, 9721280]

約数ペア:

[(1, 9721280), (2, 4860640), (4, 2430320), (5, 1944256), (8, 1215160), (10, 972128), (16, 607580), (17, 571840), (20, 486064), (32, 303790), (34, 285920), (40, 243032), (64, 151895), (68, 142960), (80, 121516), (85, 114368), (136, 71480), (160, 60758), (170, 57184), (272, 35740), (320, 30379), (340, 28592), (544, 17870), (680, 14296), (1088, 8935), (1360, 7148), (1787, 5440), (2720, 3574)]