66453640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7949}}^1$

素因数の和:7990

約数の個数: 64

約数和(自身を含む): 171720000

約数和(自身を除く): 105266360

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 7949, 8360, 15898, 31796, 39745, 63592, 79490, 87439, 151031, 158980, 174878, 302062, 317960, 349756, 437195, 604124, 699512, 755155, 874390, 1208248, 1510310, 1661341, 1748780, 3020620, 3322682, 3497560, 6041240, 6645364, 8306705, 13290728, 16613410, 33226820, 66453640]

約数ペア:

[(1, 66453640), (2, 33226820), (4, 16613410), (5, 13290728), (8, 8306705), (10, 6645364), (11, 6041240), (19, 3497560), (20, 3322682), (22, 3020620), (38, 1748780), (40, 1661341), (44, 1510310), (55, 1208248), (76, 874390), (88, 755155), (95, 699512), (110, 604124), (152, 437195), (190, 349756), (209, 317960), (220, 302062), (380, 174878), (418, 158980), (440, 151031), (760, 87439), (836, 79490), (1045, 63592), (1672, 39745), (2090, 31796), (4180, 15898), (7949, 8360)]