81125700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{15907}}^1$

素因数の和:15941

約数の個数: 72

約数和(自身を含む): 248546592

約数和(自身を除く): 167420892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 5100, 15907, 31814, 47721, 63628, 79535, 95442, 159070, 190884, 238605, 270419, 318140, 397675, 477210, 540838, 795350, 811257, 954420, 1081676, 1193025, 1352095, 1590700, 1622514, 2386050, 2704190, 3245028, 4056285, 4772100, 5408380, 6760475, 8112570, 13520950, 16225140, 20281425, 27041900, 40562850, 81125700]

約数ペア:

[(1, 81125700), (2, 40562850), (3, 27041900), (4, 20281425), (5, 16225140), (6, 13520950), (10, 8112570), (12, 6760475), (15, 5408380), (17, 4772100), (20, 4056285), (25, 3245028), (30, 2704190), (34, 2386050), (50, 1622514), (51, 1590700), (60, 1352095), (68, 1193025), (75, 1081676), (85, 954420), (100, 811257), (102, 795350), (150, 540838), (170, 477210), (204, 397675), (255, 318140), (300, 270419), (340, 238605), (425, 190884), (510, 159070), (850, 95442), (1020, 79535), (1275, 63628), (1700, 47721), (2550, 31814), (5100, 15907)]