87654840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 256

約数和(自身を含む): 338688000

約数和(自身を除く): 251033160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 23, 24, 26, 28, 30, 35, 39, 40, 42, 46, 52, 56, 60, 65, 69, 70, 78, 84, 91, 92, 104, 105, 115, 120, 130, 138, 140, 156, 161, 168, 182, 184, 195, 210, 230, 260, 273, 276, 280, 299, 312, 322, 345, 349, 364, 390, 420, 455, 460, 483, 520, 546, 552, 598, 644, 690, 698, 728, 780, 805, 840, 897, 910, 920, 966, 1047, 1092, 1196, 1288, 1365, 1380, 1396, 1495, 1560, 1610, 1745, 1794, 1820, 1932, 2093, 2094, 2184, 2392, 2415, 2443, 2730, 2760, 2792, 2990, 3220, 3490, 3588, 3640, 3864, 4186, 4188, 4485, 4537, 4830, 4886, 5235, 5460, 5980, 6279, 6440, 6980, 7176, 7329, 8027, 8372, 8376, 8970, 9074, 9660, 9772, 10465, 10470, 10920, 11960, 12215, 12558, 13611, 13960, 14658, 16054, 16744, 17940, 18148, 19320, 19544, 20930, 20940, 22685, 24081, 24430, 25116, 27222, 29316, 31395, 31759, 32108, 35880, 36296, 36645, 40135, 41860, 41880, 45370, 48162, 48860, 50232, 54444, 56189, 58632, 62790, 63518, 64216, 68055, 73290, 80270, 83720, 90740, 95277, 96324, 97720, 104351, 108888, 112378, 120405, 125580, 127036, 136110, 146580, 158795, 160540, 168567, 181480, 190554, 192648, 208702, 224756, 240810, 251160, 254072, 272220, 280945, 293160, 313053, 317590, 321080, 337134, 381108, 417404, 449512, 476385, 481620, 521755, 544440, 561890, 626106, 635180, 674268, 730457, 762216, 834808, 842835, 952770, 963240, 1043510, 1123780, 1252212, 1270360, 1348536, 1460914, 1565265, 1685670, 1905540, 2087020, 2191371, 2247560, 2504424, 2921828, 3130530, 3371340, 3652285, 3811080, 4174040, 4382742, 5843656, 6261060, 6742680, 7304570, 8765484, 10956855, 12522120, 14609140, 17530968, 21913710, 29218280, 43827420, 87654840]

約数ペア:

[(1, 87654840), (2, 43827420), (3, 29218280), (4, 21913710), (5, 17530968), (6, 14609140), (7, 12522120), (8, 10956855), (10, 8765484), (12, 7304570), (13, 6742680), (14, 6261060), (15, 5843656), (20, 4382742), (21, 4174040), (23, 3811080), (24, 3652285), (26, 3371340), (28, 3130530), (30, 2921828), (35, 2504424), (39, 2247560), (40, 2191371), (42, 2087020), (46, 1905540), (52, 1685670), (56, 1565265), (60, 1460914), (65, 1348536), (69, 1270360), (70, 1252212), (78, 1123780), (84, 1043510), (91, 963240), (92, 952770), (104, 842835), (105, 834808), (115, 762216), (120, 730457), (130, 674268), (138, 635180), (140, 626106), (156, 561890), (161, 544440), (168, 521755), (182, 481620), (184, 476385), (195, 449512), (210, 417404), (230, 381108), (260, 337134), (273, 321080), (276, 317590), (280, 313053), (299, 293160), (312, 280945), (322, 272220), (345, 254072), (349, 251160), (364, 240810), (390, 224756), (420, 208702), (455, 192648), (460, 190554), (483, 181480), (520, 168567), (546, 160540), (552, 158795), (598, 146580), (644, 136110), (690, 127036), (698, 125580), (728, 120405), (780, 112378), (805, 108888), (840, 104351), (897, 97720), (910, 96324), (920, 95277), (966, 90740), (1047, 83720), (1092, 80270), (1196, 73290), (1288, 68055), (1365, 64216), (1380, 63518), (1396, 62790), (1495, 58632), (1560, 56189), (1610, 54444), (1745, 50232), (1794, 48860), (1820, 48162), (1932, 45370), (2093, 41880), (2094, 41860), (2184, 40135), (2392, 36645), (2415, 36296), (2443, 35880), (2730, 32108), (2760, 31759), (2792, 31395), (2990, 29316), (3220, 27222), (3490, 25116), (3588, 24430), (3640, 24081), (3864, 22685), (4186, 20940), (4188, 20930), (4485, 19544), (4537, 19320), (4830, 18148), (4886, 17940), (5235, 16744), (5460, 16054), (5980, 14658), (6279, 13960), (6440, 13611), (6980, 12558), (7176, 12215), (7329, 11960), (8027, 10920), (8372, 10470), (8376, 10465), (8970, 9772), (9074, 9660)]