71942720

素因数分解:

$2^6\times 5^1\times {\mathrm{383}}^1\times {\mathrm{587}}^1$

素因数の和:987

約数の個数: 56

約数和(自身を含む): 172053504

約数和(自身を除く): 100110784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 383, 587, 766, 1174, 1532, 1915, 2348, 2935, 3064, 3830, 4696, 5870, 6128, 7660, 9392, 11740, 12256, 15320, 18784, 23480, 24512, 30640, 37568, 46960, 61280, 93920, 122560, 187840, 224821, 449642, 899284, 1124105, 1798568, 2248210, 3597136, 4496420, 7194272, 8992840, 14388544, 17985680, 35971360, 71942720]

約数ペア:

[(1, 71942720), (2, 35971360), (4, 17985680), (5, 14388544), (8, 8992840), (10, 7194272), (16, 4496420), (20, 3597136), (32, 2248210), (40, 1798568), (64, 1124105), (80, 899284), (160, 449642), (320, 224821), (383, 187840), (587, 122560), (766, 93920), (1174, 61280), (1532, 46960), (1915, 37568), (2348, 30640), (2935, 24512), (3064, 23480), (3830, 18784), (4696, 15320), (5870, 12256), (6128, 11740), (7660, 9392)]