1221720960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{636313}}^1$

素因数の和:636335

約数の個数: 64

約数和(自身を含む): 3894241680

約数和(自身を除く): 2672520720

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 636313, 1272626, 1908939, 2545252, 3181565, 3817878, 5090504, 6363130, 7635756, 9544695, 10181008, 12726260, 15271512, 19089390, 20362016, 25452520, 30543024, 38178780, 40724032, 50905040, 61086048, 76357560, 81448064, 101810080, 122172096, 152715120, 203620160, 244344192, 305430240, 407240320, 610860480, 1221720960]

約数ペア:

[(1, 1221720960), (2, 610860480), (3, 407240320), (4, 305430240), (5, 244344192), (6, 203620160), (8, 152715120), (10, 122172096), (12, 101810080), (15, 81448064), (16, 76357560), (20, 61086048), (24, 50905040), (30, 40724032), (32, 38178780), (40, 30543024), (48, 25452520), (60, 20362016), (64, 19089390), (80, 15271512), (96, 12726260), (120, 10181008), (128, 9544695), (160, 7635756), (192, 6363130), (240, 5090504), (320, 3817878), (384, 3181565), (480, 2545252), (640, 1908939), (960, 1272626), (1920, 636313)]