16860840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 37571160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 149, 164, 184, 205, 230, 246, 276, 298, 328, 345, 410, 447, 460, 492, 552, 596, 615, 690, 745, 820, 894, 920, 943, 984, 1192, 1230, 1380, 1490, 1640, 1788, 1886, 2235, 2460, 2760, 2829, 2980, 3427, 3576, 3772, 4470, 4715, 4920, 5658, 5960, 6109, 6854, 7544, 8940, 9430, 10281, 11316, 12218, 13708, 14145, 17135, 17880, 18327, 18860, 20562, 22632, 24436, 27416, 28290, 30545, 34270, 36654, 37720, 41124, 48872, 51405, 56580, 61090, 68540, 73308, 82248, 91635, 102810, 113160, 122180, 137080, 140507, 146616, 183270, 205620, 244360, 281014, 366540, 411240, 421521, 562028, 702535, 733080, 843042, 1124056, 1405070, 1686084, 2107605, 2810140, 3372168, 4215210, 5620280, 8430420, 16860840]

約数ペア:

[(1, 16860840), (2, 8430420), (3, 5620280), (4, 4215210), (5, 3372168), (6, 2810140), (8, 2107605), (10, 1686084), (12, 1405070), (15, 1124056), (20, 843042), (23, 733080), (24, 702535), (30, 562028), (40, 421521), (41, 411240), (46, 366540), (60, 281014), (69, 244360), (82, 205620), (92, 183270), (115, 146616), (120, 140507), (123, 137080), (138, 122180), (149, 113160), (164, 102810), (184, 91635), (205, 82248), (230, 73308), (246, 68540), (276, 61090), (298, 56580), (328, 51405), (345, 48872), (410, 41124), (447, 37720), (460, 36654), (492, 34270), (552, 30545), (596, 28290), (615, 27416), (690, 24436), (745, 22632), (820, 20562), (894, 18860), (920, 18327), (943, 17880), (984, 17135), (1192, 14145), (1230, 13708), (1380, 12218), (1490, 11316), (1640, 10281), (1788, 9430), (1886, 8940), (2235, 7544), (2460, 6854), (2760, 6109), (2829, 5960), (2980, 5658), (3427, 4920), (3576, 4715), (3772, 4470)]