640115490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{15959}}^1$

素因数の和:16167

約数の個数: 64

約数和(自身を含む): 1765048320

約数和(自身を除く): 1124932830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 191, 210, 382, 573, 955, 1146, 1337, 1910, 2674, 2865, 4011, 5730, 6685, 8022, 13370, 15959, 20055, 31918, 40110, 47877, 79795, 95754, 111713, 159590, 223426, 239385, 335139, 478770, 558565, 670278, 1117130, 1675695, 3048169, 3351390, 6096338, 9144507, 15240845, 18289014, 21337183, 30481690, 42674366, 45722535, 64011549, 91445070, 106685915, 128023098, 213371830, 320057745, 640115490]

約数ペア:

[(1, 640115490), (2, 320057745), (3, 213371830), (5, 128023098), (6, 106685915), (7, 91445070), (10, 64011549), (14, 45722535), (15, 42674366), (21, 30481690), (30, 21337183), (35, 18289014), (42, 15240845), (70, 9144507), (105, 6096338), (191, 3351390), (210, 3048169), (382, 1675695), (573, 1117130), (955, 670278), (1146, 558565), (1337, 478770), (1910, 335139), (2674, 239385), (2865, 223426), (4011, 159590), (5730, 111713), (6685, 95754), (8022, 79795), (13370, 47877), (15959, 40110), (20055, 31918)]