642897504

素因数分解:

$2^5\times 3^2\times {\mathrm{997}}^1\times {\mathrm{2239}}^1$

素因数の和:3252

約数の個数: 72

約数和(自身を含む): 1830890880

約数和(自身を除く): 1187993376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 997, 1994, 2239, 2991, 3988, 4478, 5982, 6717, 7976, 8956, 8973, 11964, 13434, 15952, 17912, 17946, 20151, 23928, 26868, 31904, 35824, 35892, 40302, 47856, 53736, 71648, 71784, 80604, 95712, 107472, 143568, 161208, 214944, 287136, 322416, 644832, 2232283, 4464566, 6696849, 8929132, 13393698, 17858264, 20090547, 26787396, 35716528, 40181094, 53574792, 71433056, 80362188, 107149584, 160724376, 214299168, 321448752, 642897504]

約数ペア:

[(1, 642897504), (2, 321448752), (3, 214299168), (4, 160724376), (6, 107149584), (8, 80362188), (9, 71433056), (12, 53574792), (16, 40181094), (18, 35716528), (24, 26787396), (32, 20090547), (36, 17858264), (48, 13393698), (72, 8929132), (96, 6696849), (144, 4464566), (288, 2232283), (997, 644832), (1994, 322416), (2239, 287136), (2991, 214944), (3988, 161208), (4478, 143568), (5982, 107472), (6717, 95712), (7976, 80604), (8956, 71784), (8973, 71648), (11964, 53736), (13434, 47856), (15952, 40302), (17912, 35892), (17946, 35824), (20151, 31904), (23928, 26868)]