2785560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 8467200

約数和(自身を除く): 5681640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 167, 278, 334, 417, 501, 556, 668, 695, 834, 835, 1002, 1112, 1336, 1390, 1668, 1670, 2004, 2085, 2505, 2780, 3336, 3340, 4008, 4170, 5010, 5560, 6680, 8340, 10020, 16680, 20040, 23213, 46426, 69639, 92852, 116065, 139278, 185704, 232130, 278556, 348195, 464260, 557112, 696390, 928520, 1392780, 2785560]

約数ペア:

[(1, 2785560), (2, 1392780), (3, 928520), (4, 696390), (5, 557112), (6, 464260), (8, 348195), (10, 278556), (12, 232130), (15, 185704), (20, 139278), (24, 116065), (30, 92852), (40, 69639), (60, 46426), (120, 23213), (139, 20040), (167, 16680), (278, 10020), (334, 8340), (417, 6680), (501, 5560), (556, 5010), (668, 4170), (695, 4008), (834, 3340), (835, 3336), (1002, 2780), (1112, 2505), (1336, 2085), (1390, 2004), (1668, 1670)]