128052120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152443}}^1$

素因数の和:152464

約数の個数: 64

約数和(自身を含む): 439038720

約数和(自身を除く): 310986600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 152443, 304886, 457329, 609772, 762215, 914658, 1067101, 1219544, 1524430, 1829316, 2134202, 2286645, 3048860, 3201303, 3658632, 4268404, 4573290, 5335505, 6097720, 6402606, 8536808, 9146580, 10671010, 12805212, 16006515, 18293160, 21342020, 25610424, 32013030, 42684040, 64026060, 128052120]

約数ペア:

[(1, 128052120), (2, 64026060), (3, 42684040), (4, 32013030), (5, 25610424), (6, 21342020), (7, 18293160), (8, 16006515), (10, 12805212), (12, 10671010), (14, 9146580), (15, 8536808), (20, 6402606), (21, 6097720), (24, 5335505), (28, 4573290), (30, 4268404), (35, 3658632), (40, 3201303), (42, 3048860), (56, 2286645), (60, 2134202), (70, 1829316), (84, 1524430), (105, 1219544), (120, 1067101), (140, 914658), (168, 762215), (210, 609772), (280, 457329), (420, 304886), (840, 152443)]