641167680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{667883}}^1$

素因数の和:667903

約数の個数: 56

約数和(自身を含む): 2035710432

約数和(自身を除く): 1394542752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 667883, 1335766, 2003649, 2671532, 3339415, 4007298, 5343064, 6678830, 8014596, 10018245, 10686128, 13357660, 16029192, 20036490, 21372256, 26715320, 32058384, 40072980, 42744512, 53430640, 64116768, 80145960, 106861280, 128233536, 160291920, 213722560, 320583840, 641167680]

約数ペア:

[(1, 641167680), (2, 320583840), (3, 213722560), (4, 160291920), (5, 128233536), (6, 106861280), (8, 80145960), (10, 64116768), (12, 53430640), (15, 42744512), (16, 40072980), (20, 32058384), (24, 26715320), (30, 21372256), (32, 20036490), (40, 16029192), (48, 13357660), (60, 10686128), (64, 10018245), (80, 8014596), (96, 6678830), (120, 5343064), (160, 4007298), (192, 3339415), (240, 2671532), (320, 2003649), (480, 1335766), (960, 667883)]