128020440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20129}}^1$

素因数の和:20196

約数の個数: 64

約数和(自身を含む): 391327200

約数和(自身を除く): 263306760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 6360, 20129, 40258, 60387, 80516, 100645, 120774, 161032, 201290, 241548, 301935, 402580, 483096, 603870, 805160, 1066837, 1207740, 2133674, 2415480, 3200511, 4267348, 5334185, 6401022, 8534696, 10668370, 12802044, 16002555, 21336740, 25604088, 32005110, 42673480, 64010220, 128020440]

約数ペア:

[(1, 128020440), (2, 64010220), (3, 42673480), (4, 32005110), (5, 25604088), (6, 21336740), (8, 16002555), (10, 12802044), (12, 10668370), (15, 8534696), (20, 6401022), (24, 5334185), (30, 4267348), (40, 3200511), (53, 2415480), (60, 2133674), (106, 1207740), (120, 1066837), (159, 805160), (212, 603870), (265, 483096), (318, 402580), (424, 301935), (530, 241548), (636, 201290), (795, 161032), (1060, 120774), (1272, 100645), (1590, 80516), (2120, 60387), (3180, 40258), (6360, 20129)]