128721390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32261}}^1$

素因数の和:32297

約数の個数: 64

約数和(自身を含む): 371658240

約数和(自身を除く): 242936850

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 32261, 64522, 96783, 161305, 193566, 225827, 322610, 451654, 483915, 612959, 677481, 967830, 1129135, 1225918, 1354962, 1838877, 2258270, 3064795, 3387405, 3677754, 4290713, 6129590, 6774810, 8581426, 9194385, 12872139, 18388770, 21453565, 25744278, 42907130, 64360695, 128721390]

約数ペア:

[(1, 128721390), (2, 64360695), (3, 42907130), (5, 25744278), (6, 21453565), (7, 18388770), (10, 12872139), (14, 9194385), (15, 8581426), (19, 6774810), (21, 6129590), (30, 4290713), (35, 3677754), (38, 3387405), (42, 3064795), (57, 2258270), (70, 1838877), (95, 1354962), (105, 1225918), (114, 1129135), (133, 967830), (190, 677481), (210, 612959), (266, 483915), (285, 451654), (399, 322610), (570, 225827), (665, 193566), (798, 161305), (1330, 96783), (1995, 64522), (3990, 32261)]