121672640

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4813}}^1$

素因数の和:4909

約数の個数: 56

約数和(自身を含む): 293461440

約数和(自身を除く): 171788800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 4813, 5056, 6320, 9626, 12640, 19252, 24065, 25280, 38504, 48130, 77008, 96260, 154016, 192520, 308032, 380227, 385040, 760454, 770080, 1520908, 1540160, 1901135, 3041816, 3802270, 6083632, 7604540, 12167264, 15209080, 24334528, 30418160, 60836320, 121672640]

約数ペア:

[(1, 121672640), (2, 60836320), (4, 30418160), (5, 24334528), (8, 15209080), (10, 12167264), (16, 7604540), (20, 6083632), (32, 3802270), (40, 3041816), (64, 1901135), (79, 1540160), (80, 1520908), (158, 770080), (160, 760454), (316, 385040), (320, 380227), (395, 308032), (632, 192520), (790, 154016), (1264, 96260), (1580, 77008), (2528, 48130), (3160, 38504), (4813, 25280), (5056, 24065), (6320, 19252), (9626, 12640)]