66571960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18289}}^1$

素因数の和:18320

約数の個数: 64

約数和(自身を含む): 184363200

約数和(自身を除く): 117791240

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, 18289, 36578, 73156, 91445, 128023, 146312, 182890, 237757, 256046, 365780, 475514, 512092, 640115, 731560, 951028, 1024184, 1188785, 1280230, 1664299, 1902056, 2377570, 2560460, 3328598, 4755140, 5120920, 6657196, 8321495, 9510280, 13314392, 16642990, 33285980, 66571960]

約数ペア:

[(1, 66571960), (2, 33285980), (4, 16642990), (5, 13314392), (7, 9510280), (8, 8321495), (10, 6657196), (13, 5120920), (14, 4755140), (20, 3328598), (26, 2560460), (28, 2377570), (35, 1902056), (40, 1664299), (52, 1280230), (56, 1188785), (65, 1024184), (70, 951028), (91, 731560), (104, 640115), (130, 512092), (140, 475514), (182, 365780), (260, 256046), (280, 237757), (364, 182890), (455, 146312), (520, 128023), (728, 91445), (910, 73156), (1820, 36578), (3640, 18289)]