90781620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79633}}^1$

素因数の和:79664

約数の個数: 48

約数和(自身を含む): 267570240

約数和(自身を除く): 176788620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 79633, 159266, 238899, 318532, 398165, 477798, 796330, 955596, 1194495, 1513027, 1592660, 2388990, 3026054, 4539081, 4777980, 6052108, 7565135, 9078162, 15130270, 18156324, 22695405, 30260540, 45390810, 90781620]

約数ペア:

[(1, 90781620), (2, 45390810), (3, 30260540), (4, 22695405), (5, 18156324), (6, 15130270), (10, 9078162), (12, 7565135), (15, 6052108), (19, 4777980), (20, 4539081), (30, 3026054), (38, 2388990), (57, 1592660), (60, 1513027), (76, 1194495), (95, 955596), (114, 796330), (190, 477798), (228, 398165), (285, 318532), (380, 238899), (570, 159266), (1140, 79633)]