123780580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7307}}^1$

素因数の和:7345

約数の個数: 72

約数和(自身を含む): 326579904

約数和(自身を除く): 202799324

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 7307, 8470, 14614, 16940, 29228, 36535, 51149, 73070, 80377, 102298, 146140, 160754, 204596, 255745, 321508, 401885, 511490, 562639, 803770, 884147, 1022980, 1125278, 1607540, 1768294, 2250556, 2813195, 3536588, 4420735, 5626390, 6189029, 8841470, 11252780, 12378058, 17682940, 24756116, 30945145, 61890290, 123780580]

約数ペア:

[(1, 123780580), (2, 61890290), (4, 30945145), (5, 24756116), (7, 17682940), (10, 12378058), (11, 11252780), (14, 8841470), (20, 6189029), (22, 5626390), (28, 4420735), (35, 3536588), (44, 2813195), (55, 2250556), (70, 1768294), (77, 1607540), (110, 1125278), (121, 1022980), (140, 884147), (154, 803770), (220, 562639), (242, 511490), (308, 401885), (385, 321508), (484, 255745), (605, 204596), (770, 160754), (847, 146140), (1210, 102298), (1540, 80377), (1694, 73070), (2420, 51149), (3388, 36535), (4235, 29228), (7307, 16940), (8470, 14614)]