665748840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 2032128000

約数和(自身を除く): 1366379160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 167, 239, 278, 334, 417, 478, 501, 556, 668, 695, 717, 834, 835, 956, 1002, 1112, 1195, 1336, 1390, 1434, 1668, 1670, 1912, 2004, 2085, 2390, 2505, 2780, 2868, 3336, 3340, 3585, 4008, 4170, 4780, 5010, 5560, 5736, 6680, 7170, 8340, 9560, 10020, 14340, 16680, 20040, 23213, 28680, 33221, 39913, 46426, 66442, 69639, 79826, 92852, 99663, 116065, 119739, 132884, 139278, 159652, 166105, 185704, 199326, 199565, 232130, 239478, 265768, 278556, 319304, 332210, 348195, 398652, 399130, 464260, 478956, 498315, 557112, 598695, 664420, 696390, 797304, 798260, 928520, 957912, 996630, 1197390, 1328840, 1392780, 1596520, 1993260, 2394780, 2785560, 3986520, 4789560, 5547907, 11095814, 16643721, 22191628, 27739535, 33287442, 44383256, 55479070, 66574884, 83218605, 110958140, 133149768, 166437210, 221916280, 332874420, 665748840]

約数ペア:

[(1, 665748840), (2, 332874420), (3, 221916280), (4, 166437210), (5, 133149768), (6, 110958140), (8, 83218605), (10, 66574884), (12, 55479070), (15, 44383256), (20, 33287442), (24, 27739535), (30, 22191628), (40, 16643721), (60, 11095814), (120, 5547907), (139, 4789560), (167, 3986520), (239, 2785560), (278, 2394780), (334, 1993260), (417, 1596520), (478, 1392780), (501, 1328840), (556, 1197390), (668, 996630), (695, 957912), (717, 928520), (834, 798260), (835, 797304), (956, 696390), (1002, 664420), (1112, 598695), (1195, 557112), (1336, 498315), (1390, 478956), (1434, 464260), (1668, 399130), (1670, 398652), (1912, 348195), (2004, 332210), (2085, 319304), (2390, 278556), (2505, 265768), (2780, 239478), (2868, 232130), (3336, 199565), (3340, 199326), (3585, 185704), (4008, 166105), (4170, 159652), (4780, 139278), (5010, 132884), (5560, 119739), (5736, 116065), (6680, 99663), (7170, 92852), (8340, 79826), (9560, 69639), (10020, 66442), (14340, 46426), (16680, 39913), (20040, 33221), (23213, 28680)]