639719040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{333187}}^1$

素因数の和:333209

約数の個数: 64

約数和(自身を含む): 2039110560

約数和(自身を除く): 1399391520

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, 320, 384, 480, 640, 960, 1920, 333187, 666374, 999561, 1332748, 1665935, 1999122, 2665496, 3331870, 3998244, 4997805, 5330992, 6663740, 7996488, 9995610, 10661984, 13327480, 15992976, 19991220, 21323968, 26654960, 31985952, 39982440, 42647936, 53309920, 63971904, 79964880, 106619840, 127943808, 159929760, 213239680, 319859520, 639719040]

約数ペア:

[(1, 639719040), (2, 319859520), (3, 213239680), (4, 159929760), (5, 127943808), (6, 106619840), (8, 79964880), (10, 63971904), (12, 53309920), (15, 42647936), (16, 39982440), (20, 31985952), (24, 26654960), (30, 21323968), (32, 19991220), (40, 15992976), (48, 13327480), (60, 10661984), (64, 9995610), (80, 7996488), (96, 6663740), (120, 5330992), (128, 4997805), (160, 3998244), (192, 3331870), (240, 2665496), (320, 1999122), (384, 1665935), (480, 1332748), (640, 999561), (960, 666374), (1920, 333187)]