81511991040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21227081}}^1$

素因数の和:21227105

約数の個数: 72

約数和(自身を含む): 260328933648

約数和(自身を除く): 178816942608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 21227081, 42454162, 63681243, 84908324, 106135405, 127362486, 169816648, 212270810, 254724972, 318406215, 339633296, 424541620, 509449944, 636812430, 679266592, 849083240, 1018899888, 1273624860, 1358533184, 1698166480, 2037799776, 2547249720, 2717066368, 3396332960, 4075599552, 5094499440, 5434132736, 6792665920, 8151199104, 10188998880, 13585331840, 16302398208, 20377997760, 27170663680, 40755995520, 81511991040]

約数ペア:

[(1, 81511991040), (2, 40755995520), (3, 27170663680), (4, 20377997760), (5, 16302398208), (6, 13585331840), (8, 10188998880), (10, 8151199104), (12, 6792665920), (15, 5434132736), (16, 5094499440), (20, 4075599552), (24, 3396332960), (30, 2717066368), (32, 2547249720), (40, 2037799776), (48, 1698166480), (60, 1358533184), (64, 1273624860), (80, 1018899888), (96, 849083240), (120, 679266592), (128, 636812430), (160, 509449944), (192, 424541620), (240, 339633296), (256, 318406215), (320, 254724972), (384, 212270810), (480, 169816648), (640, 127362486), (768, 106135405), (960, 84908324), (1280, 63681243), (1920, 42454162), (3840, 21227081)]