128361760

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15137}}^1$

素因数の和:15205

約数の個数: 48

約数和(自身を含む): 308996856

約数和(自身を除く): 180635096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2120, 4240, 8480, 15137, 30274, 60548, 75685, 121096, 151370, 242192, 302740, 484384, 605480, 802261, 1210960, 1604522, 2421920, 3209044, 4011305, 6418088, 8022610, 12836176, 16045220, 25672352, 32090440, 64180880, 128361760]

約数ペア:

[(1, 128361760), (2, 64180880), (4, 32090440), (5, 25672352), (8, 16045220), (10, 12836176), (16, 8022610), (20, 6418088), (32, 4011305), (40, 3209044), (53, 2421920), (80, 1604522), (106, 1210960), (160, 802261), (212, 605480), (265, 484384), (424, 302740), (530, 242192), (848, 151370), (1060, 121096), (1696, 75685), (2120, 60548), (4240, 30274), (8480, 15137)]