81926460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 288

約数和(自身を含む): 324559872

約数和(自身を除く): 242633412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 23, 28, 30, 33, 35, 36, 42, 44, 45, 46, 55, 60, 63, 66, 69, 70, 77, 84, 90, 92, 99, 105, 110, 115, 126, 132, 138, 140, 154, 161, 165, 180, 198, 207, 210, 220, 230, 231, 252, 253, 257, 276, 308, 315, 322, 330, 345, 385, 396, 414, 420, 460, 462, 483, 495, 506, 514, 630, 644, 660, 690, 693, 759, 770, 771, 805, 828, 924, 966, 990, 1012, 1028, 1035, 1155, 1260, 1265, 1285, 1380, 1386, 1449, 1518, 1540, 1542, 1610, 1771, 1799, 1932, 1980, 2070, 2277, 2310, 2313, 2415, 2530, 2570, 2772, 2827, 2898, 3036, 3084, 3220, 3465, 3542, 3598, 3795, 3855, 4140, 4554, 4620, 4626, 4830, 5060, 5140, 5313, 5397, 5654, 5796, 5911, 6930, 7084, 7196, 7245, 7590, 7710, 8481, 8855, 8995, 9108, 9252, 9660, 10626, 10794, 11308, 11385, 11565, 11822, 13860, 14135, 14490, 15180, 15420, 15939, 16191, 16962, 17710, 17733, 17990, 19789, 21252, 21588, 22770, 23130, 23644, 25443, 26565, 26985, 28270, 28980, 29555, 31878, 32382, 33924, 35420, 35466, 35980, 39578, 41377, 42405, 45540, 46260, 50886, 53130, 53199, 53970, 56540, 59110, 59367, 63756, 64764, 65021, 70932, 79156, 79695, 80955, 82754, 84810, 88665, 98945, 101772, 106260, 106398, 107940, 118220, 118734, 124131, 127215, 130042, 159390, 161910, 165508, 169620, 177330, 178101, 195063, 197890, 206885, 212796, 237468, 248262, 254430, 260084, 265995, 296835, 318780, 323820, 325105, 354660, 356202, 372393, 390126, 395780, 413770, 455147, 496524, 508860, 531990, 585189, 593670, 620655, 650210, 712404, 744786, 780252, 827540, 890505, 910294, 975315, 1063980, 1170378, 1187340, 1241310, 1300420, 1365441, 1489572, 1781010, 1820588, 1861965, 1950630, 2275735, 2340756, 2482620, 2730882, 2925945, 3562020, 3723930, 3901260, 4096323, 4551470, 5461764, 5851890, 6827205, 7447860, 8192646, 9102940, 11703780, 13654410, 16385292, 20481615, 27308820, 40963230, 81926460]

約数ペア:

[(1, 81926460), (2, 40963230), (3, 27308820), (4, 20481615), (5, 16385292), (6, 13654410), (7, 11703780), (9, 9102940), (10, 8192646), (11, 7447860), (12, 6827205), (14, 5851890), (15, 5461764), (18, 4551470), (20, 4096323), (21, 3901260), (22, 3723930), (23, 3562020), (28, 2925945), (30, 2730882), (33, 2482620), (35, 2340756), (36, 2275735), (42, 1950630), (44, 1861965), (45, 1820588), (46, 1781010), (55, 1489572), (60, 1365441), (63, 1300420), (66, 1241310), (69, 1187340), (70, 1170378), (77, 1063980), (84, 975315), (90, 910294), (92, 890505), (99, 827540), (105, 780252), (110, 744786), (115, 712404), (126, 650210), (132, 620655), (138, 593670), (140, 585189), (154, 531990), (161, 508860), (165, 496524), (180, 455147), (198, 413770), (207, 395780), (210, 390126), (220, 372393), (230, 356202), (231, 354660), (252, 325105), (253, 323820), (257, 318780), (276, 296835), (308, 265995), (315, 260084), (322, 254430), (330, 248262), (345, 237468), (385, 212796), (396, 206885), (414, 197890), (420, 195063), (460, 178101), (462, 177330), (483, 169620), (495, 165508), (506, 161910), (514, 159390), (630, 130042), (644, 127215), (660, 124131), (690, 118734), (693, 118220), (759, 107940), (770, 106398), (771, 106260), (805, 101772), (828, 98945), (924, 88665), (966, 84810), (990, 82754), (1012, 80955), (1028, 79695), (1035, 79156), (1155, 70932), (1260, 65021), (1265, 64764), (1285, 63756), (1380, 59367), (1386, 59110), (1449, 56540), (1518, 53970), (1540, 53199), (1542, 53130), (1610, 50886), (1771, 46260), (1799, 45540), (1932, 42405), (1980, 41377), (2070, 39578), (2277, 35980), (2310, 35466), (2313, 35420), (2415, 33924), (2530, 32382), (2570, 31878), (2772, 29555), (2827, 28980), (2898, 28270), (3036, 26985), (3084, 26565), (3220, 25443), (3465, 23644), (3542, 23130), (3598, 22770), (3795, 21588), (3855, 21252), (4140, 19789), (4554, 17990), (4620, 17733), (4626, 17710), (4830, 16962), (5060, 16191), (5140, 15939), (5313, 15420), (5397, 15180), (5654, 14490), (5796, 14135), (5911, 13860), (6930, 11822), (7084, 11565), (7196, 11385), (7245, 11308), (7590, 10794), (7710, 10626), (8481, 9660), (8855, 9252), (8995, 9108)]