640078656

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{476249}}^1$

素因数の和:476271

約数の個数: 56

約数和(自身を含む): 1935480000

約数和(自身を除く): 1295401344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 168, 192, 224, 336, 448, 672, 1344, 476249, 952498, 1428747, 1904996, 2857494, 3333743, 3809992, 5714988, 6667486, 7619984, 10001229, 11429976, 13334972, 15239968, 20002458, 22859952, 26669944, 30479936, 40004916, 45719904, 53339888, 80009832, 91439808, 106679776, 160019664, 213359552, 320039328, 640078656]

約数ペア:

[(1, 640078656), (2, 320039328), (3, 213359552), (4, 160019664), (6, 106679776), (7, 91439808), (8, 80009832), (12, 53339888), (14, 45719904), (16, 40004916), (21, 30479936), (24, 26669944), (28, 22859952), (32, 20002458), (42, 15239968), (48, 13334972), (56, 11429976), (64, 10001229), (84, 7619984), (96, 6667486), (112, 5714988), (168, 3809992), (192, 3333743), (224, 2857494), (336, 1904996), (448, 1428747), (672, 952498), (1344, 476249)]