128427480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 428762880

約数和(自身を除く): 300335400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 127, 159, 180, 212, 254, 265, 318, 360, 381, 424, 477, 508, 530, 635, 636, 762, 795, 954, 1016, 1060, 1143, 1270, 1272, 1524, 1590, 1905, 1908, 2120, 2286, 2385, 2540, 2809, 3048, 3180, 3810, 3816, 4572, 4770, 5080, 5618, 5715, 6360, 6731, 7620, 8427, 9144, 9540, 11236, 11430, 13462, 14045, 15240, 16854, 19080, 20193, 22472, 22860, 25281, 26924, 28090, 33655, 33708, 40386, 42135, 45720, 50562, 53848, 56180, 60579, 67310, 67416, 80772, 84270, 100965, 101124, 112360, 121158, 126405, 134620, 161544, 168540, 201930, 202248, 242316, 252810, 269240, 302895, 337080, 356743, 403860, 484632, 505620, 605790, 713486, 807720, 1011240, 1070229, 1211580, 1426972, 1783715, 2140458, 2423160, 2853944, 3210687, 3567430, 4280916, 5351145, 6421374, 7134860, 8561832, 10702290, 12842748, 14269720, 16053435, 21404580, 25685496, 32106870, 42809160, 64213740, 128427480]

約数ペア:

[(1, 128427480), (2, 64213740), (3, 42809160), (4, 32106870), (5, 25685496), (6, 21404580), (8, 16053435), (9, 14269720), (10, 12842748), (12, 10702290), (15, 8561832), (18, 7134860), (20, 6421374), (24, 5351145), (30, 4280916), (36, 3567430), (40, 3210687), (45, 2853944), (53, 2423160), (60, 2140458), (72, 1783715), (90, 1426972), (106, 1211580), (120, 1070229), (127, 1011240), (159, 807720), (180, 713486), (212, 605790), (254, 505620), (265, 484632), (318, 403860), (360, 356743), (381, 337080), (424, 302895), (477, 269240), (508, 252810), (530, 242316), (635, 202248), (636, 201930), (762, 168540), (795, 161544), (954, 134620), (1016, 126405), (1060, 121158), (1143, 112360), (1270, 101124), (1272, 100965), (1524, 84270), (1590, 80772), (1905, 67416), (1908, 67310), (2120, 60579), (2286, 56180), (2385, 53848), (2540, 50562), (2809, 45720), (3048, 42135), (3180, 40386), (3810, 33708), (3816, 33655), (4572, 28090), (4770, 26924), (5080, 25281), (5618, 22860), (5715, 22472), (6360, 20193), (6731, 19080), (7620, 16854), (8427, 15240), (9144, 14045), (9540, 13462), (11236, 11430)]