159783920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3391}}^1$

素因数の和:3454

約数の個数: 80

約数和(自身を含む): 403783680

約数和(自身を除く): 243999760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 3391, 4712, 5890, 6782, 9424, 11780, 13564, 16955, 23560, 27128, 33910, 47120, 54256, 64429, 67820, 105121, 128858, 135640, 210242, 257716, 271280, 322145, 420484, 515432, 525605, 644290, 840968, 1030864, 1051210, 1288580, 1681936, 1997299, 2102420, 2577160, 3994598, 4204840, 5154320, 7989196, 8409680, 9986495, 15978392, 19972990, 31956784, 39945980, 79891960, 159783920]

約数ペア:

[(1, 159783920), (2, 79891960), (4, 39945980), (5, 31956784), (8, 19972990), (10, 15978392), (16, 9986495), (19, 8409680), (20, 7989196), (31, 5154320), (38, 4204840), (40, 3994598), (62, 2577160), (76, 2102420), (80, 1997299), (95, 1681936), (124, 1288580), (152, 1051210), (155, 1030864), (190, 840968), (248, 644290), (304, 525605), (310, 515432), (380, 420484), (496, 322145), (589, 271280), (620, 257716), (760, 210242), (1178, 135640), (1240, 128858), (1520, 105121), (2356, 67820), (2480, 64429), (2945, 54256), (3391, 47120), (4712, 33910), (5890, 27128), (6782, 23560), (9424, 16955), (11780, 13564)]