64817480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17807}}^1$

素因数の和:17838

約数の個数: 64

約数和(自身を含む): 179504640

約数和(自身を除く): 114687160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 17807, 35614, 71228, 89035, 124649, 142456, 178070, 231491, 249298, 356140, 462982, 498596, 623245, 712280, 925964, 997192, 1157455, 1246490, 1620437, 1851928, 2314910, 2492980, 3240874, 4629820, 4985960, 6481748, 8102185, 9259640, 12963496, 16204370, 32408740, 64817480]

約数ペア:

[(1, 64817480), (2, 32408740), (4, 16204370), (5, 12963496), (7, 9259640), (8, 8102185), (10, 6481748), (13, 4985960), (14, 4629820), (20, 3240874), (26, 2492980), (28, 2314910), (35, 1851928), (40, 1620437), (52, 1246490), (56, 1157455), (65, 997192), (70, 925964), (91, 712280), (104, 623245), (130, 498596), (140, 462982), (182, 356140), (260, 249298), (280, 231491), (364, 178070), (455, 142456), (520, 124649), (728, 89035), (910, 71228), (1820, 35614), (3640, 17807)]