720049920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{187513}}^1$

素因数の和:187537

約数の個数: 72

約数和(自身を含む): 2299671696

約数和(自身を除く): 1579621776

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, 640, 768, 960, 1280, 1920, 3840, 187513, 375026, 562539, 750052, 937565, 1125078, 1500104, 1875130, 2250156, 2812695, 3000208, 3750260, 4500312, 5625390, 6000416, 7500520, 9000624, 11250780, 12000832, 15001040, 18001248, 22501560, 24001664, 30002080, 36002496, 45003120, 48003328, 60004160, 72004992, 90006240, 120008320, 144009984, 180012480, 240016640, 360024960, 720049920]

約数ペア:

[(1, 720049920), (2, 360024960), (3, 240016640), (4, 180012480), (5, 144009984), (6, 120008320), (8, 90006240), (10, 72004992), (12, 60004160), (15, 48003328), (16, 45003120), (20, 36002496), (24, 30002080), (30, 24001664), (32, 22501560), (40, 18001248), (48, 15001040), (60, 12000832), (64, 11250780), (80, 9000624), (96, 7500520), (120, 6000416), (128, 5625390), (160, 4500312), (192, 3750260), (240, 3000208), (256, 2812695), (320, 2250156), (384, 1875130), (480, 1500104), (640, 1125078), (768, 937565), (960, 750052), (1280, 562539), (1920, 375026), (3840, 187513)]