127531920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{531383}}^1$

素因数の和:531399

約数の個数: 40

約数和(自身を含む): 395349696

約数和(自身を除く): 267817776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 531383, 1062766, 1594149, 2125532, 2656915, 3188298, 4251064, 5313830, 6376596, 7970745, 8502128, 10627660, 12753192, 15941490, 21255320, 25506384, 31882980, 42510640, 63765960, 127531920]

約数ペア:

[(1, 127531920), (2, 63765960), (3, 42510640), (4, 31882980), (5, 25506384), (6, 21255320), (8, 15941490), (10, 12753192), (12, 10627660), (15, 8502128), (16, 7970745), (20, 6376596), (24, 5313830), (30, 4251064), (40, 3188298), (48, 2656915), (60, 2125532), (80, 1594149), (120, 1062766), (240, 531383)]