118362880

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 286977600

約数和(自身を除く): 168614720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 890, 1039, 1280, 1424, 1780, 2078, 2848, 3560, 4156, 5195, 5696, 7120, 8312, 10390, 11392, 14240, 16624, 20780, 22784, 28480, 33248, 41560, 56960, 66496, 83120, 92471, 113920, 132992, 166240, 184942, 265984, 332480, 369884, 462355, 664960, 739768, 924710, 1329920, 1479536, 1849420, 2959072, 3698840, 5918144, 7397680, 11836288, 14795360, 23672576, 29590720, 59181440, 118362880]

約数ペア:

[(1, 118362880), (2, 59181440), (4, 29590720), (5, 23672576), (8, 14795360), (10, 11836288), (16, 7397680), (20, 5918144), (32, 3698840), (40, 2959072), (64, 1849420), (80, 1479536), (89, 1329920), (128, 924710), (160, 739768), (178, 664960), (256, 462355), (320, 369884), (356, 332480), (445, 265984), (640, 184942), (712, 166240), (890, 132992), (1039, 113920), (1280, 92471), (1424, 83120), (1780, 66496), (2078, 56960), (2848, 41560), (3560, 33248), (4156, 28480), (5195, 22784), (5696, 20780), (7120, 16624), (8312, 14240), (10390, 11392)]