81105360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2099}}^1$

素因数の和:2145

約数の個数: 160

約数和(自身を含む): 299980800

約数和(自身を除く): 218875440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 560, 644, 690, 805, 840, 920, 966, 1104, 1288, 1380, 1610, 1680, 1840, 1932, 2099, 2415, 2576, 2760, 3220, 3864, 4198, 4830, 5520, 6297, 6440, 7728, 8396, 9660, 10495, 12594, 12880, 14693, 16792, 19320, 20990, 25188, 29386, 31485, 33584, 38640, 41980, 44079, 48277, 50376, 58772, 62970, 73465, 83960, 88158, 96554, 100752, 117544, 125940, 144831, 146930, 167920, 176316, 193108, 220395, 235088, 241385, 251880, 289662, 293860, 337939, 352632, 386216, 440790, 482770, 503760, 579324, 587720, 675878, 705264, 724155, 772432, 881580, 965540, 1013817, 1158648, 1175440, 1351756, 1448310, 1689695, 1763160, 1931080, 2027634, 2317296, 2703512, 2896620, 3379390, 3526320, 3862160, 4055268, 5069085, 5407024, 5793240, 6758780, 8110536, 10138170, 11586480, 13517560, 16221072, 20276340, 27035120, 40552680, 81105360]

約数ペア:

[(1, 81105360), (2, 40552680), (3, 27035120), (4, 20276340), (5, 16221072), (6, 13517560), (7, 11586480), (8, 10138170), (10, 8110536), (12, 6758780), (14, 5793240), (15, 5407024), (16, 5069085), (20, 4055268), (21, 3862160), (23, 3526320), (24, 3379390), (28, 2896620), (30, 2703512), (35, 2317296), (40, 2027634), (42, 1931080), (46, 1763160), (48, 1689695), (56, 1448310), (60, 1351756), (69, 1175440), (70, 1158648), (80, 1013817), (84, 965540), (92, 881580), (105, 772432), (112, 724155), (115, 705264), (120, 675878), (138, 587720), (140, 579324), (161, 503760), (168, 482770), (184, 440790), (210, 386216), (230, 352632), (240, 337939), (276, 293860), (280, 289662), (322, 251880), (336, 241385), (345, 235088), (368, 220395), (420, 193108), (460, 176316), (483, 167920), (552, 146930), (560, 144831), (644, 125940), (690, 117544), (805, 100752), (840, 96554), (920, 88158), (966, 83960), (1104, 73465), (1288, 62970), (1380, 58772), (1610, 50376), (1680, 48277), (1840, 44079), (1932, 41980), (2099, 38640), (2415, 33584), (2576, 31485), (2760, 29386), (3220, 25188), (3864, 20990), (4198, 19320), (4830, 16792), (5520, 14693), (6297, 12880), (6440, 12594), (7728, 10495), (8396, 9660)]