222777680

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:636

約数の個数: 80

約数和(自身を含む): 532733760

約数和(自身を除く): 309956080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 89, 134, 178, 268, 335, 356, 445, 467, 536, 670, 712, 890, 934, 1072, 1340, 1424, 1780, 1868, 2335, 2680, 3560, 3736, 4670, 5360, 5963, 7120, 7472, 9340, 11926, 18680, 23852, 29815, 31289, 37360, 41563, 47704, 59630, 62578, 83126, 95408, 119260, 125156, 156445, 166252, 207815, 238520, 250312, 312890, 332504, 415630, 477040, 500624, 625780, 665008, 831260, 1251560, 1662520, 2503120, 2784721, 3325040, 5569442, 11138884, 13923605, 22277768, 27847210, 44555536, 55694420, 111388840, 222777680]

約数ペア:

[(1, 222777680), (2, 111388840), (4, 55694420), (5, 44555536), (8, 27847210), (10, 22277768), (16, 13923605), (20, 11138884), (40, 5569442), (67, 3325040), (80, 2784721), (89, 2503120), (134, 1662520), (178, 1251560), (268, 831260), (335, 665008), (356, 625780), (445, 500624), (467, 477040), (536, 415630), (670, 332504), (712, 312890), (890, 250312), (934, 238520), (1072, 207815), (1340, 166252), (1424, 156445), (1780, 125156), (1868, 119260), (2335, 95408), (2680, 83126), (3560, 62578), (3736, 59630), (4670, 47704), (5360, 41563), (5963, 37360), (7120, 31289), (7472, 29815), (9340, 23852), (11926, 18680)]