42758520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 148262400

約数和(自身を除く): 105503880

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, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 467, 545, 654, 763, 840, 872, 934, 1090, 1308, 1401, 1526, 1635, 1868, 2180, 2289, 2335, 2616, 2802, 3052, 3269, 3270, 3736, 3815, 4360, 4578, 4670, 5604, 6104, 6538, 6540, 7005, 7630, 9156, 9340, 9807, 11208, 11445, 13076, 13080, 14010, 15260, 16345, 18312, 18680, 19614, 22890, 26152, 28020, 30520, 32690, 39228, 45780, 49035, 50903, 56040, 65380, 78456, 91560, 98070, 101806, 130760, 152709, 196140, 203612, 254515, 305418, 356321, 392280, 407224, 509030, 610836, 712642, 763545, 1018060, 1068963, 1221672, 1425284, 1527090, 1781605, 2036120, 2137926, 2850568, 3054180, 3563210, 4275852, 5344815, 6108360, 7126420, 8551704, 10689630, 14252840, 21379260, 42758520]

約数ペア:

[(1, 42758520), (2, 21379260), (3, 14252840), (4, 10689630), (5, 8551704), (6, 7126420), (7, 6108360), (8, 5344815), (10, 4275852), (12, 3563210), (14, 3054180), (15, 2850568), (20, 2137926), (21, 2036120), (24, 1781605), (28, 1527090), (30, 1425284), (35, 1221672), (40, 1068963), (42, 1018060), (56, 763545), (60, 712642), (70, 610836), (84, 509030), (105, 407224), (109, 392280), (120, 356321), (140, 305418), (168, 254515), (210, 203612), (218, 196140), (280, 152709), (327, 130760), (420, 101806), (436, 98070), (467, 91560), (545, 78456), (654, 65380), (763, 56040), (840, 50903), (872, 49035), (934, 45780), (1090, 39228), (1308, 32690), (1401, 30520), (1526, 28020), (1635, 26152), (1868, 22890), (2180, 19614), (2289, 18680), (2335, 18312), (2616, 16345), (2802, 15260), (3052, 14010), (3269, 13080), (3270, 13076), (3736, 11445), (3815, 11208), (4360, 9807), (4578, 9340), (4670, 9156), (5604, 7630), (6104, 7005), (6538, 6540)]