345400680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{2887}}^1$

素因数の和:3898

約数の個数: 64

約数和(自身を含む): 1037600640

約数和(自身を除く): 692199960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 997, 1994, 2887, 2991, 3988, 4985, 5774, 5982, 7976, 8661, 9970, 11548, 11964, 14435, 14955, 17322, 19940, 23096, 23928, 28870, 29910, 34644, 39880, 43305, 57740, 59820, 69288, 86610, 115480, 119640, 173220, 346440, 2878339, 5756678, 8635017, 11513356, 14391695, 17270034, 23026712, 28783390, 34540068, 43175085, 57566780, 69080136, 86350170, 115133560, 172700340, 345400680]

約数ペア:

[(1, 345400680), (2, 172700340), (3, 115133560), (4, 86350170), (5, 69080136), (6, 57566780), (8, 43175085), (10, 34540068), (12, 28783390), (15, 23026712), (20, 17270034), (24, 14391695), (30, 11513356), (40, 8635017), (60, 5756678), (120, 2878339), (997, 346440), (1994, 173220), (2887, 119640), (2991, 115480), (3988, 86610), (4985, 69288), (5774, 59820), (5982, 57740), (7976, 43305), (8661, 39880), (9970, 34644), (11548, 29910), (11964, 28870), (14435, 23928), (14955, 23096), (17322, 19940)]