128625420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2531}}^1$

素因数の和:2572

約数の個数: 144

約数和(自身を含む): 452600064

約数和(自身を除く): 323974644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2531, 2541, 3388, 3630, 4235, 4620, 5062, 5082, 7260, 7593, 8470, 10124, 10164, 12655, 12705, 15186, 16940, 17717, 25310, 25410, 27841, 30372, 35434, 37965, 50620, 50820, 53151, 55682, 70868, 75930, 83523, 88585, 106302, 111364, 139205, 151860, 167046, 177170, 194887, 212604, 265755, 278410, 306251, 334092, 354340, 389774, 417615, 531510, 556820, 584661, 612502, 779548, 835230, 918753, 974435, 1063020, 1169322, 1225004, 1531255, 1670460, 1837506, 1948870, 2143757, 2338644, 2923305, 3062510, 3675012, 3897740, 4287514, 4593765, 5846610, 6125020, 6431271, 8575028, 9187530, 10718785, 11693220, 12862542, 18375060, 21437570, 25725084, 32156355, 42875140, 64312710, 128625420]

約数ペア:

[(1, 128625420), (2, 64312710), (3, 42875140), (4, 32156355), (5, 25725084), (6, 21437570), (7, 18375060), (10, 12862542), (11, 11693220), (12, 10718785), (14, 9187530), (15, 8575028), (20, 6431271), (21, 6125020), (22, 5846610), (28, 4593765), (30, 4287514), (33, 3897740), (35, 3675012), (42, 3062510), (44, 2923305), (55, 2338644), (60, 2143757), (66, 1948870), (70, 1837506), (77, 1670460), (84, 1531255), (105, 1225004), (110, 1169322), (121, 1063020), (132, 974435), (140, 918753), (154, 835230), (165, 779548), (210, 612502), (220, 584661), (231, 556820), (242, 531510), (308, 417615), (330, 389774), (363, 354340), (385, 334092), (420, 306251), (462, 278410), (484, 265755), (605, 212604), (660, 194887), (726, 177170), (770, 167046), (847, 151860), (924, 139205), (1155, 111364), (1210, 106302), (1452, 88585), (1540, 83523), (1694, 75930), (1815, 70868), (2310, 55682), (2420, 53151), (2531, 50820), (2541, 50620), (3388, 37965), (3630, 35434), (4235, 30372), (4620, 27841), (5062, 25410), (5082, 25310), (7260, 17717), (7593, 16940), (8470, 15186), (10124, 12705), (10164, 12655)]