15083720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 21204280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 223, 356, 380, 445, 446, 712, 760, 890, 892, 1115, 1691, 1780, 1784, 2230, 3382, 3560, 4237, 4460, 6764, 8455, 8474, 8920, 13528, 16910, 16948, 19847, 21185, 33820, 33896, 39694, 42370, 67640, 79388, 84740, 99235, 158776, 169480, 198470, 377093, 396940, 754186, 793880, 1508372, 1885465, 3016744, 3770930, 7541860, 15083720]

約数ペア:

[(1, 15083720), (2, 7541860), (4, 3770930), (5, 3016744), (8, 1885465), (10, 1508372), (19, 793880), (20, 754186), (38, 396940), (40, 377093), (76, 198470), (89, 169480), (95, 158776), (152, 99235), (178, 84740), (190, 79388), (223, 67640), (356, 42370), (380, 39694), (445, 33896), (446, 33820), (712, 21185), (760, 19847), (890, 16948), (892, 16910), (1115, 13528), (1691, 8920), (1780, 8474), (1784, 8455), (2230, 6764), (3382, 4460), (3560, 4237)]