320552505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 711244800

約数和(自身を除く): 390692295

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 97, 105, 117, 135, 189, 195, 269, 273, 291, 315, 351, 455, 485, 585, 679, 807, 819, 873, 945, 1261, 1345, 1365, 1455, 1755, 1883, 2037, 2421, 2457, 2619, 3395, 3497, 3783, 4035, 4095, 4365, 5649, 6111, 6305, 7263, 8827, 9415, 10185, 10491, 11349, 12105, 12285, 13095, 16947, 17485, 18333, 18915, 24479, 26093, 26481, 28245, 30555, 31473, 34047, 36315, 44135, 50841, 52455, 56745, 73437, 78279, 79443, 84735, 91665, 94419, 122395, 130465, 132405, 157365, 170235, 182651, 220311, 234837, 238329, 254205, 339209, 367185, 391395, 397215, 472095, 547953, 660933, 704511, 913255, 1017627, 1101555, 1174185, 1191645, 1643859, 1696045, 2374463, 2739765, 3052881, 3304665, 3522555, 4931577, 5088135, 7123389, 8219295, 9158643, 11872315, 15264405, 21370167, 24657885, 35616945, 45793215, 64110501, 106850835, 320552505]

約数ペア:

[(1, 320552505), (3, 106850835), (5, 64110501), (7, 45793215), (9, 35616945), (13, 24657885), (15, 21370167), (21, 15264405), (27, 11872315), (35, 9158643), (39, 8219295), (45, 7123389), (63, 5088135), (65, 4931577), (91, 3522555), (97, 3304665), (105, 3052881), (117, 2739765), (135, 2374463), (189, 1696045), (195, 1643859), (269, 1191645), (273, 1174185), (291, 1101555), (315, 1017627), (351, 913255), (455, 704511), (485, 660933), (585, 547953), (679, 472095), (807, 397215), (819, 391395), (873, 367185), (945, 339209), (1261, 254205), (1345, 238329), (1365, 234837), (1455, 220311), (1755, 182651), (1883, 170235), (2037, 157365), (2421, 132405), (2457, 130465), (2619, 122395), (3395, 94419), (3497, 91665), (3783, 84735), (4035, 79443), (4095, 78279), (4365, 73437), (5649, 56745), (6111, 52455), (6305, 50841), (7263, 44135), (8827, 36315), (9415, 34047), (10185, 31473), (10491, 30555), (11349, 28245), (12105, 26481), (12285, 26093), (13095, 24479), (16947, 18915), (17485, 18333)]