15117920

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4973}}^1$

素因数の和:5007

約数の個数: 48

約数和(自身を含む): 37603440

約数和(自身を除く): 22485520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4973, 9946, 19892, 24865, 39784, 49730, 79568, 94487, 99460, 159136, 188974, 198920, 377948, 397840, 472435, 755896, 795680, 944870, 1511792, 1889740, 3023584, 3779480, 7558960, 15117920]

約数ペア:

[(1, 15117920), (2, 7558960), (4, 3779480), (5, 3023584), (8, 1889740), (10, 1511792), (16, 944870), (19, 795680), (20, 755896), (32, 472435), (38, 397840), (40, 377948), (76, 198920), (80, 188974), (95, 159136), (152, 99460), (160, 94487), (190, 79568), (304, 49730), (380, 39784), (608, 24865), (760, 19892), (1520, 9946), (3040, 4973)]