721085120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3617}}^1$

素因数の和:3730

約数の個数: 112

約数和(自身を含む): 1984979520

約数和(自身を除く): 1263894400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 712, 890, 1120, 1246, 1424, 1780, 2240, 2492, 2848, 3115, 3560, 3617, 4984, 5696, 6230, 7120, 7234, 9968, 12460, 14240, 14468, 18085, 19936, 24920, 25319, 28480, 28936, 36170, 39872, 49840, 50638, 57872, 72340, 99680, 101276, 115744, 126595, 144680, 199360, 202552, 231488, 253190, 289360, 321913, 405104, 506380, 578720, 643826, 810208, 1012760, 1157440, 1287652, 1609565, 1620416, 2025520, 2253391, 2575304, 3219130, 4051040, 4506782, 5150608, 6438260, 8102080, 9013564, 10301216, 11266955, 12876520, 18027128, 20602432, 22533910, 25753040, 36054256, 45067820, 51506080, 72108512, 90135640, 103012160, 144217024, 180271280, 360542560, 721085120]

約数ペア:

[(1, 721085120), (2, 360542560), (4, 180271280), (5, 144217024), (7, 103012160), (8, 90135640), (10, 72108512), (14, 51506080), (16, 45067820), (20, 36054256), (28, 25753040), (32, 22533910), (35, 20602432), (40, 18027128), (56, 12876520), (64, 11266955), (70, 10301216), (80, 9013564), (89, 8102080), (112, 6438260), (140, 5150608), (160, 4506782), (178, 4051040), (224, 3219130), (280, 2575304), (320, 2253391), (356, 2025520), (445, 1620416), (448, 1609565), (560, 1287652), (623, 1157440), (712, 1012760), (890, 810208), (1120, 643826), (1246, 578720), (1424, 506380), (1780, 405104), (2240, 321913), (2492, 289360), (2848, 253190), (3115, 231488), (3560, 202552), (3617, 199360), (4984, 144680), (5696, 126595), (6230, 115744), (7120, 101276), (7234, 99680), (9968, 72340), (12460, 57872), (14240, 50638), (14468, 49840), (18085, 39872), (19936, 36170), (24920, 28936), (25319, 28480)]