71488640

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5879}}^1$

素因数の和:5917

約数の個数: 64

約数和(自身を含む): 179928000

約数和(自身を除く): 108439360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 5879, 6080, 11758, 12160, 23516, 29395, 47032, 58790, 94064, 111701, 117580, 188128, 223402, 235160, 376256, 446804, 470320, 558505, 752512, 893608, 940640, 1117010, 1787216, 1881280, 2234020, 3574432, 3762560, 4468040, 7148864, 8936080, 14297728, 17872160, 35744320, 71488640]

約数ペア:

[(1, 71488640), (2, 35744320), (4, 17872160), (5, 14297728), (8, 8936080), (10, 7148864), (16, 4468040), (19, 3762560), (20, 3574432), (32, 2234020), (38, 1881280), (40, 1787216), (64, 1117010), (76, 940640), (80, 893608), (95, 752512), (128, 558505), (152, 470320), (160, 446804), (190, 376256), (304, 235160), (320, 223402), (380, 188128), (608, 117580), (640, 111701), (760, 94064), (1216, 58790), (1520, 47032), (2432, 29395), (3040, 23516), (5879, 12160), (6080, 11758)]