2878680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 10368000

約数和(自身を除く): 7489320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 149, 161, 168, 184, 210, 230, 276, 280, 298, 322, 345, 420, 447, 460, 483, 552, 596, 644, 690, 745, 805, 840, 894, 920, 966, 1043, 1192, 1288, 1380, 1490, 1610, 1788, 1932, 2086, 2235, 2415, 2760, 2980, 3129, 3220, 3427, 3576, 3864, 4172, 4470, 4830, 5215, 5960, 6258, 6440, 6854, 8344, 8940, 9660, 10281, 10430, 12516, 13708, 15645, 17135, 17880, 19320, 20562, 20860, 23989, 25032, 27416, 31290, 34270, 41124, 41720, 47978, 51405, 62580, 68540, 71967, 82248, 95956, 102810, 119945, 125160, 137080, 143934, 191912, 205620, 239890, 287868, 359835, 411240, 479780, 575736, 719670, 959560, 1439340, 2878680]

約数ペア:

[(1, 2878680), (2, 1439340), (3, 959560), (4, 719670), (5, 575736), (6, 479780), (7, 411240), (8, 359835), (10, 287868), (12, 239890), (14, 205620), (15, 191912), (20, 143934), (21, 137080), (23, 125160), (24, 119945), (28, 102810), (30, 95956), (35, 82248), (40, 71967), (42, 68540), (46, 62580), (56, 51405), (60, 47978), (69, 41720), (70, 41124), (84, 34270), (92, 31290), (105, 27416), (115, 25032), (120, 23989), (138, 20860), (140, 20562), (149, 19320), (161, 17880), (168, 17135), (184, 15645), (210, 13708), (230, 12516), (276, 10430), (280, 10281), (298, 9660), (322, 8940), (345, 8344), (420, 6854), (447, 6440), (460, 6258), (483, 5960), (552, 5215), (596, 4830), (644, 4470), (690, 4172), (745, 3864), (805, 3576), (840, 3427), (894, 3220), (920, 3129), (966, 2980), (1043, 2760), (1192, 2415), (1288, 2235), (1380, 2086), (1490, 1932), (1610, 1788)]