156778005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 274710528

約数和(自身を除く): 117932523

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 107, 115, 137, 155, 321, 345, 411, 465, 535, 685, 713, 1605, 2055, 2139, 2461, 3151, 3317, 3565, 4247, 7383, 9453, 9951, 10695, 12305, 12741, 14659, 15755, 16585, 21235, 36915, 43977, 47265, 49755, 63705, 73295, 76291, 97681, 219885, 228873, 293043, 337157, 381455, 454429, 488405, 1011471, 1144365, 1363287, 1465215, 1685785, 2272145, 5057355, 6816435, 10451867, 31355601, 52259335, 156778005]

約数ペア:

[(1, 156778005), (3, 52259335), (5, 31355601), (15, 10451867), (23, 6816435), (31, 5057355), (69, 2272145), (93, 1685785), (107, 1465215), (115, 1363287), (137, 1144365), (155, 1011471), (321, 488405), (345, 454429), (411, 381455), (465, 337157), (535, 293043), (685, 228873), (713, 219885), (1605, 97681), (2055, 76291), (2139, 73295), (2461, 63705), (3151, 49755), (3317, 47265), (3565, 43977), (4247, 36915), (7383, 21235), (9453, 16585), (9951, 15755), (10695, 14659), (12305, 12741)]