780663040

素因数分解:

$2^8\times 5^1\times {\mathrm{587}}^1\times {\mathrm{1039}}^1$

素因数の和:1647

約数の個数: 72

約数和(自身を含む): 1874920320

約数和(自身を除く): 1094257280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 587, 640, 1039, 1174, 1280, 2078, 2348, 2935, 4156, 4696, 5195, 5870, 8312, 9392, 10390, 11740, 16624, 18784, 20780, 23480, 33248, 37568, 41560, 46960, 66496, 75136, 83120, 93920, 132992, 150272, 166240, 187840, 265984, 332480, 375680, 609893, 664960, 751360, 1219786, 1329920, 2439572, 3049465, 4879144, 6098930, 9758288, 12197860, 19516576, 24395720, 39033152, 48791440, 78066304, 97582880, 156132608, 195165760, 390331520, 780663040]

約数ペア:

[(1, 780663040), (2, 390331520), (4, 195165760), (5, 156132608), (8, 97582880), (10, 78066304), (16, 48791440), (20, 39033152), (32, 24395720), (40, 19516576), (64, 12197860), (80, 9758288), (128, 6098930), (160, 4879144), (256, 3049465), (320, 2439572), (587, 1329920), (640, 1219786), (1039, 751360), (1174, 664960), (1280, 609893), (2078, 375680), (2348, 332480), (2935, 265984), (4156, 187840), (4696, 166240), (5195, 150272), (5870, 132992), (8312, 93920), (9392, 83120), (10390, 75136), (11740, 66496), (16624, 46960), (18784, 41560), (20780, 37568), (23480, 33248)]