1957888980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{639833}}^1$

素因数の和:639865

約数の個数: 72

約数和(自身を含む): 6288288552

約数和(自身を除く): 4330399572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 639833, 1279666, 1919499, 2559332, 3199165, 3838998, 5758497, 6398330, 7677996, 9597495, 10877161, 11516994, 12796660, 19194990, 21754322, 23033988, 28792485, 32631483, 38389980, 43508644, 54385805, 57584970, 65262966, 97894449, 108771610, 115169940, 130525932, 163157415, 195788898, 217543220, 326314830, 391577796, 489472245, 652629660, 978944490, 1957888980]

約数ペア:

[(1, 1957888980), (2, 978944490), (3, 652629660), (4, 489472245), (5, 391577796), (6, 326314830), (9, 217543220), (10, 195788898), (12, 163157415), (15, 130525932), (17, 115169940), (18, 108771610), (20, 97894449), (30, 65262966), (34, 57584970), (36, 54385805), (45, 43508644), (51, 38389980), (60, 32631483), (68, 28792485), (85, 23033988), (90, 21754322), (102, 19194990), (153, 12796660), (170, 11516994), (180, 10877161), (204, 9597495), (255, 7677996), (306, 6398330), (340, 5758497), (510, 3838998), (612, 3199165), (765, 2559332), (1020, 1919499), (1530, 1279666), (3060, 639833)]