243997320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{290473}}^1$

素因数の和:290494

約数の個数: 64

約数和(自身を含む): 836565120

約数和(自身を除く): 592567800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 290473, 580946, 871419, 1161892, 1452365, 1742838, 2033311, 2323784, 2904730, 3485676, 4066622, 4357095, 5809460, 6099933, 6971352, 8133244, 8714190, 10166555, 11618920, 12199866, 16266488, 17428380, 20333110, 24399732, 30499665, 34856760, 40666220, 48799464, 60999330, 81332440, 121998660, 243997320]

約数ペア:

[(1, 243997320), (2, 121998660), (3, 81332440), (4, 60999330), (5, 48799464), (6, 40666220), (7, 34856760), (8, 30499665), (10, 24399732), (12, 20333110), (14, 17428380), (15, 16266488), (20, 12199866), (21, 11618920), (24, 10166555), (28, 8714190), (30, 8133244), (35, 6971352), (40, 6099933), (42, 5809460), (56, 4357095), (60, 4066622), (70, 3485676), (84, 2904730), (105, 2323784), (120, 2033311), (140, 1742838), (168, 1452365), (210, 1161892), (280, 871419), (420, 580946), (840, 290473)]