40248960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{20963}}^1$

素因数の和:20985

約数の個数: 64

約数和(自身を含む): 128299680

約数和(自身を除く): 88050720

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, 20963, 41926, 62889, 83852, 104815, 125778, 167704, 209630, 251556, 314445, 335408, 419260, 503112, 628890, 670816, 838520, 1006224, 1257780, 1341632, 1677040, 2012448, 2515560, 2683264, 3354080, 4024896, 5031120, 6708160, 8049792, 10062240, 13416320, 20124480, 40248960]

約数ペア:

[(1, 40248960), (2, 20124480), (3, 13416320), (4, 10062240), (5, 8049792), (6, 6708160), (8, 5031120), (10, 4024896), (12, 3354080), (15, 2683264), (16, 2515560), (20, 2012448), (24, 1677040), (30, 1341632), (32, 1257780), (40, 1006224), (48, 838520), (60, 670816), (64, 628890), (80, 503112), (96, 419260), (120, 335408), (128, 314445), (160, 251556), (192, 209630), (240, 167704), (320, 125778), (384, 104815), (480, 83852), (640, 62889), (960, 41926), (1920, 20963)]