68578755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 132986880

約数和(自身を除く): 64408125

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 73, 105, 115, 161, 219, 345, 365, 389, 483, 511, 805, 1095, 1167, 1533, 1679, 1945, 2415, 2555, 2723, 5037, 5835, 7665, 8169, 8395, 8947, 11753, 13615, 25185, 26841, 28397, 35259, 40845, 44735, 58765, 62629, 85191, 134205, 141985, 176295, 187887, 198779, 313145, 425955, 596337, 653131, 939435, 993895, 1959393, 2981685, 3265655, 4571917, 9796965, 13715751, 22859585, 68578755]

約数ペア:

[(1, 68578755), (3, 22859585), (5, 13715751), (7, 9796965), (15, 4571917), (21, 3265655), (23, 2981685), (35, 1959393), (69, 993895), (73, 939435), (105, 653131), (115, 596337), (161, 425955), (219, 313145), (345, 198779), (365, 187887), (389, 176295), (483, 141985), (511, 134205), (805, 85191), (1095, 62629), (1167, 58765), (1533, 44735), (1679, 40845), (1945, 35259), (2415, 28397), (2555, 26841), (2723, 25185), (5037, 13615), (5835, 11753), (7665, 8947), (8169, 8395)]