1320497920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{147377}}^1$

素因数の和:147405

約数の個数: 72

約数和(自身を含む): 3614887584

約数和(自身を除く): 2294389664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 147377, 294754, 589508, 736885, 1031639, 1179016, 1473770, 2063278, 2358032, 2947540, 4126556, 4716064, 5158195, 5895080, 8253112, 9432128, 10316390, 11790160, 16506224, 18864256, 20632780, 23580320, 33012448, 37728512, 41265560, 47160640, 66024896, 82531120, 94321280, 132049792, 165062240, 188642560, 264099584, 330124480, 660248960, 1320497920]

約数ペア:

[(1, 1320497920), (2, 660248960), (4, 330124480), (5, 264099584), (7, 188642560), (8, 165062240), (10, 132049792), (14, 94321280), (16, 82531120), (20, 66024896), (28, 47160640), (32, 41265560), (35, 37728512), (40, 33012448), (56, 23580320), (64, 20632780), (70, 18864256), (80, 16506224), (112, 11790160), (128, 10316390), (140, 9432128), (160, 8253112), (224, 5895080), (256, 5158195), (280, 4716064), (320, 4126556), (448, 2947540), (560, 2358032), (640, 2063278), (896, 1473770), (1120, 1179016), (1280, 1031639), (1792, 736885), (2240, 589508), (4480, 294754), (8960, 147377)]