158821120

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 383814144

約数和(自身を除く): 224993024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 977, 1016, 1270, 1280, 1954, 2032, 2540, 3908, 4064, 4885, 5080, 7816, 8128, 9770, 10160, 15632, 16256, 19540, 20320, 31264, 32512, 39080, 40640, 62528, 78160, 81280, 124079, 125056, 156320, 162560, 248158, 250112, 312640, 496316, 620395, 625280, 992632, 1240790, 1250560, 1985264, 2481580, 3970528, 4963160, 7941056, 9926320, 15882112, 19852640, 31764224, 39705280, 79410560, 158821120]

約数ペア:

[(1, 158821120), (2, 79410560), (4, 39705280), (5, 31764224), (8, 19852640), (10, 15882112), (16, 9926320), (20, 7941056), (32, 4963160), (40, 3970528), (64, 2481580), (80, 1985264), (127, 1250560), (128, 1240790), (160, 992632), (254, 625280), (256, 620395), (320, 496316), (508, 312640), (635, 250112), (640, 248158), (977, 162560), (1016, 156320), (1270, 125056), (1280, 124079), (1954, 81280), (2032, 78160), (2540, 62528), (3908, 40640), (4064, 39080), (4885, 32512), (5080, 31264), (7816, 20320), (8128, 19540), (9770, 16256), (10160, 15632)]