1388497920

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{90397}}^1$

素因数の和:90425

約数の個数: 88

約数和(自身を含む): 4441072944

約数和(自身を除く): 3052575024

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, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 90397, 180794, 271191, 361588, 451985, 542382, 723176, 903970, 1084764, 1355955, 1446352, 1807940, 2169528, 2711910, 2892704, 3615880, 4339056, 5423820, 5785408, 7231760, 8678112, 10847640, 11570816, 14463520, 17356224, 21695280, 23141632, 28927040, 34712448, 43390560, 46283264, 57854080, 69424896, 86781120, 92566528, 115708160, 138849792, 173562240, 231416320, 277699584, 347124480, 462832640, 694248960, 1388497920]

約数ペア:

[(1, 1388497920), (2, 694248960), (3, 462832640), (4, 347124480), (5, 277699584), (6, 231416320), (8, 173562240), (10, 138849792), (12, 115708160), (15, 92566528), (16, 86781120), (20, 69424896), (24, 57854080), (30, 46283264), (32, 43390560), (40, 34712448), (48, 28927040), (60, 23141632), (64, 21695280), (80, 17356224), (96, 14463520), (120, 11570816), (128, 10847640), (160, 8678112), (192, 7231760), (240, 5785408), (256, 5423820), (320, 4339056), (384, 3615880), (480, 2892704), (512, 2711910), (640, 2169528), (768, 1807940), (960, 1446352), (1024, 1355955), (1280, 1084764), (1536, 903970), (1920, 723176), (2560, 542382), (3072, 451985), (3840, 361588), (5120, 271191), (7680, 180794), (15360, 90397)]