64212800

素因数分解:

$2^6\times 5^2\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 84

約数和(自身を含む): 160629600

約数和(自身を除く): 96416800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 134, 160, 200, 268, 320, 335, 400, 536, 599, 670, 800, 1072, 1198, 1340, 1600, 1675, 2144, 2396, 2680, 2995, 3350, 4288, 4792, 5360, 5990, 6700, 9584, 10720, 11980, 13400, 14975, 19168, 21440, 23960, 26800, 29950, 38336, 40133, 47920, 53600, 59900, 80266, 95840, 107200, 119800, 160532, 191680, 200665, 239600, 321064, 401330, 479200, 642128, 802660, 958400, 1003325, 1284256, 1605320, 2006650, 2568512, 3210640, 4013300, 6421280, 8026600, 12842560, 16053200, 32106400, 64212800]

約数ペア:

[(1, 64212800), (2, 32106400), (4, 16053200), (5, 12842560), (8, 8026600), (10, 6421280), (16, 4013300), (20, 3210640), (25, 2568512), (32, 2006650), (40, 1605320), (50, 1284256), (64, 1003325), (67, 958400), (80, 802660), (100, 642128), (134, 479200), (160, 401330), (200, 321064), (268, 239600), (320, 200665), (335, 191680), (400, 160532), (536, 119800), (599, 107200), (670, 95840), (800, 80266), (1072, 59900), (1198, 53600), (1340, 47920), (1600, 40133), (1675, 38336), (2144, 29950), (2396, 26800), (2680, 23960), (2995, 21440), (3350, 19168), (4288, 14975), (4792, 13400), (5360, 11980), (5990, 10720), (6700, 9584)]