1220421120

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{158909}}^1$

素因数の和:158935

約数の個数: 80

約数和(自身を含む): 3901558320

約数和(自身を除く): 2681137200

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, 1280, 1536, 1920, 2560, 3840, 7680, 158909, 317818, 476727, 635636, 794545, 953454, 1271272, 1589090, 1906908, 2383635, 2542544, 3178180, 3813816, 4767270, 5085088, 6356360, 7627632, 9534540, 10170176, 12712720, 15255264, 19069080, 20340352, 25425440, 30510528, 38138160, 40680704, 50850880, 61021056, 76276320, 81361408, 101701760, 122042112, 152552640, 203403520, 244084224, 305105280, 406807040, 610210560, 1220421120]

約数ペア:

[(1, 1220421120), (2, 610210560), (3, 406807040), (4, 305105280), (5, 244084224), (6, 203403520), (8, 152552640), (10, 122042112), (12, 101701760), (15, 81361408), (16, 76276320), (20, 61021056), (24, 50850880), (30, 40680704), (32, 38138160), (40, 30510528), (48, 25425440), (60, 20340352), (64, 19069080), (80, 15255264), (96, 12712720), (120, 10170176), (128, 9534540), (160, 7627632), (192, 6356360), (240, 5085088), (256, 4767270), (320, 3813816), (384, 3178180), (480, 2542544), (512, 2383635), (640, 1906908), (768, 1589090), (960, 1271272), (1280, 953454), (1536, 794545), (1920, 635636), (2560, 476727), (3840, 317818), (7680, 158909)]