128004660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 216

約数和(自身を含む): 472058496

約数和(自身を除く): 344053836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 49, 60, 63, 69, 70, 84, 90, 92, 98, 105, 115, 126, 138, 140, 147, 161, 180, 196, 207, 210, 230, 245, 252, 276, 294, 315, 322, 345, 414, 420, 441, 460, 483, 490, 588, 630, 631, 644, 690, 735, 805, 828, 882, 966, 980, 1035, 1127, 1260, 1262, 1380, 1449, 1470, 1610, 1764, 1893, 1932, 2070, 2205, 2254, 2415, 2524, 2898, 2940, 3155, 3220, 3381, 3786, 4140, 4410, 4417, 4508, 4830, 5635, 5679, 5796, 6310, 6762, 7245, 7572, 8820, 8834, 9465, 9660, 10143, 11270, 11358, 12620, 13251, 13524, 14490, 14513, 16905, 17668, 18930, 20286, 22085, 22540, 22716, 26502, 28395, 28980, 29026, 30919, 33810, 37860, 39753, 40572, 43539, 44170, 50715, 53004, 56790, 58052, 61838, 66255, 67620, 72565, 79506, 87078, 88340, 92757, 101430, 101591, 113580, 123676, 130617, 132510, 145130, 154595, 159012, 174156, 185514, 198765, 202860, 203182, 217695, 261234, 265020, 278271, 290260, 304773, 309190, 371028, 397530, 406364, 435390, 463785, 507955, 522468, 556542, 609546, 618380, 653085, 711137, 795060, 870780, 914319, 927570, 1015910, 1113084, 1219092, 1306170, 1391355, 1422274, 1523865, 1828638, 1855140, 2031820, 2133411, 2612340, 2782710, 2844548, 3047730, 3555685, 3657276, 4266822, 4571595, 5565420, 6095460, 6400233, 7111370, 8533644, 9143190, 10667055, 12800466, 14222740, 18286380, 21334110, 25600932, 32001165, 42668220, 64002330, 128004660]

約数ペア:

[(1, 128004660), (2, 64002330), (3, 42668220), (4, 32001165), (5, 25600932), (6, 21334110), (7, 18286380), (9, 14222740), (10, 12800466), (12, 10667055), (14, 9143190), (15, 8533644), (18, 7111370), (20, 6400233), (21, 6095460), (23, 5565420), (28, 4571595), (30, 4266822), (35, 3657276), (36, 3555685), (42, 3047730), (45, 2844548), (46, 2782710), (49, 2612340), (60, 2133411), (63, 2031820), (69, 1855140), (70, 1828638), (84, 1523865), (90, 1422274), (92, 1391355), (98, 1306170), (105, 1219092), (115, 1113084), (126, 1015910), (138, 927570), (140, 914319), (147, 870780), (161, 795060), (180, 711137), (196, 653085), (207, 618380), (210, 609546), (230, 556542), (245, 522468), (252, 507955), (276, 463785), (294, 435390), (315, 406364), (322, 397530), (345, 371028), (414, 309190), (420, 304773), (441, 290260), (460, 278271), (483, 265020), (490, 261234), (588, 217695), (630, 203182), (631, 202860), (644, 198765), (690, 185514), (735, 174156), (805, 159012), (828, 154595), (882, 145130), (966, 132510), (980, 130617), (1035, 123676), (1127, 113580), (1260, 101591), (1262, 101430), (1380, 92757), (1449, 88340), (1470, 87078), (1610, 79506), (1764, 72565), (1893, 67620), (1932, 66255), (2070, 61838), (2205, 58052), (2254, 56790), (2415, 53004), (2524, 50715), (2898, 44170), (2940, 43539), (3155, 40572), (3220, 39753), (3381, 37860), (3786, 33810), (4140, 30919), (4410, 29026), (4417, 28980), (4508, 28395), (4830, 26502), (5635, 22716), (5679, 22540), (5796, 22085), (6310, 20286), (6762, 18930), (7245, 17668), (7572, 16905), (8820, 14513), (8834, 14490), (9465, 13524), (9660, 13251), (10143, 12620), (11270, 11358)]