123154640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:469

約数の個数: 120

約数和(自身を含む): 337779720

約数和(自身を除く): 214625080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 245, 280, 353, 356, 392, 445, 490, 560, 623, 706, 712, 784, 890, 980, 1246, 1412, 1424, 1765, 1780, 1960, 2471, 2492, 2824, 3115, 3530, 3560, 3920, 4361, 4942, 4984, 5648, 6230, 7060, 7120, 8722, 9884, 9968, 12355, 12460, 14120, 17297, 17444, 19768, 21805, 24710, 24920, 28240, 31417, 34594, 34888, 39536, 43610, 49420, 49840, 62834, 69188, 69776, 86485, 87220, 98840, 125668, 138376, 157085, 172970, 174440, 197680, 219919, 251336, 276752, 314170, 345940, 348880, 439838, 502672, 628340, 691880, 879676, 1099595, 1256680, 1383760, 1539433, 1759352, 2199190, 2513360, 3078866, 3518704, 4398380, 6157732, 7697165, 8796760, 12315464, 15394330, 17593520, 24630928, 30788660, 61577320, 123154640]

約数ペア:

[(1, 123154640), (2, 61577320), (4, 30788660), (5, 24630928), (7, 17593520), (8, 15394330), (10, 12315464), (14, 8796760), (16, 7697165), (20, 6157732), (28, 4398380), (35, 3518704), (40, 3078866), (49, 2513360), (56, 2199190), (70, 1759352), (80, 1539433), (89, 1383760), (98, 1256680), (112, 1099595), (140, 879676), (178, 691880), (196, 628340), (245, 502672), (280, 439838), (353, 348880), (356, 345940), (392, 314170), (445, 276752), (490, 251336), (560, 219919), (623, 197680), (706, 174440), (712, 172970), (784, 157085), (890, 138376), (980, 125668), (1246, 98840), (1412, 87220), (1424, 86485), (1765, 69776), (1780, 69188), (1960, 62834), (2471, 49840), (2492, 49420), (2824, 43610), (3115, 39536), (3530, 34888), (3560, 34594), (3920, 31417), (4361, 28240), (4942, 24920), (4984, 24710), (5648, 21805), (6230, 19768), (7060, 17444), (7120, 17297), (8722, 14120), (9884, 12460), (9968, 12355)]