28177920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{1223}}^1$

素因数の和:1252

約数の個数: 120

約数和(自身を含む): 97667856

約数和(自身を除く): 69489936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1223, 1280, 1440, 1536, 1920, 2304, 2446, 2560, 2880, 3669, 3840, 4608, 4892, 5760, 6115, 7338, 7680, 9784, 11007, 11520, 12230, 14676, 18345, 19568, 22014, 23040, 24460, 29352, 36690, 39136, 44028, 48920, 55035, 58704, 73380, 78272, 88056, 97840, 110070, 117408, 146760, 156544, 176112, 195680, 220140, 234816, 293520, 313088, 352224, 391360, 440280, 469632, 587040, 626176, 704448, 782720, 880560, 939264, 1174080, 1408896, 1565440, 1761120, 1878528, 2348160, 2817792, 3130880, 3522240, 4696320, 5635584, 7044480, 9392640, 14088960, 28177920]

約数ペア:

[(1, 28177920), (2, 14088960), (3, 9392640), (4, 7044480), (5, 5635584), (6, 4696320), (8, 3522240), (9, 3130880), (10, 2817792), (12, 2348160), (15, 1878528), (16, 1761120), (18, 1565440), (20, 1408896), (24, 1174080), (30, 939264), (32, 880560), (36, 782720), (40, 704448), (45, 626176), (48, 587040), (60, 469632), (64, 440280), (72, 391360), (80, 352224), (90, 313088), (96, 293520), (120, 234816), (128, 220140), (144, 195680), (160, 176112), (180, 156544), (192, 146760), (240, 117408), (256, 110070), (288, 97840), (320, 88056), (360, 78272), (384, 73380), (480, 58704), (512, 55035), (576, 48920), (640, 44028), (720, 39136), (768, 36690), (960, 29352), (1152, 24460), (1223, 23040), (1280, 22014), (1440, 19568), (1536, 18345), (1920, 14676), (2304, 12230), (2446, 11520), (2560, 11007), (2880, 9784), (3669, 7680), (3840, 7338), (4608, 6115), (4892, 5760)]