131308380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 216

約数和(自身を含む): 478269792

約数和(自身を除く): 346961412

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, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 197, 207, 210, 230, 252, 276, 315, 322, 345, 394, 414, 420, 460, 483, 529, 591, 630, 644, 690, 788, 805, 828, 966, 985, 1035, 1058, 1182, 1260, 1379, 1380, 1449, 1587, 1610, 1773, 1932, 1970, 2070, 2116, 2364, 2415, 2645, 2758, 2898, 2955, 3174, 3220, 3546, 3703, 3940, 4137, 4140, 4531, 4761, 4830, 5290, 5516, 5796, 5910, 6348, 6895, 7092, 7245, 7406, 7935, 8274, 8865, 9062, 9522, 9660, 10580, 11109, 11820, 12411, 13593, 13790, 14490, 14812, 15870, 16548, 17730, 18124, 18515, 19044, 20685, 22218, 22655, 23805, 24822, 27186, 27580, 28980, 31717, 31740, 33327, 35460, 37030, 40779, 41370, 44436, 45310, 47610, 49644, 54372, 55545, 62055, 63434, 66654, 67965, 74060, 81558, 82740, 90620, 95151, 95220, 104213, 111090, 124110, 126868, 133308, 135930, 158585, 163116, 166635, 190302, 203895, 208426, 222180, 248220, 271860, 285453, 312639, 317170, 333270, 380604, 407790, 416852, 475755, 521065, 570906, 625278, 634340, 666540, 729491, 815580, 937917, 951510, 1042130, 1141812, 1250556, 1427265, 1458982, 1563195, 1875834, 1903020, 2084260, 2188473, 2854530, 2917964, 3126390, 3647455, 3751668, 4376946, 4689585, 5709060, 6252780, 6565419, 7294910, 8753892, 9379170, 10942365, 13130838, 14589820, 18758340, 21884730, 26261676, 32827095, 43769460, 65654190, 131308380]

約数ペア:

[(1, 131308380), (2, 65654190), (3, 43769460), (4, 32827095), (5, 26261676), (6, 21884730), (7, 18758340), (9, 14589820), (10, 13130838), (12, 10942365), (14, 9379170), (15, 8753892), (18, 7294910), (20, 6565419), (21, 6252780), (23, 5709060), (28, 4689585), (30, 4376946), (35, 3751668), (36, 3647455), (42, 3126390), (45, 2917964), (46, 2854530), (60, 2188473), (63, 2084260), (69, 1903020), (70, 1875834), (84, 1563195), (90, 1458982), (92, 1427265), (105, 1250556), (115, 1141812), (126, 1042130), (138, 951510), (140, 937917), (161, 815580), (180, 729491), (197, 666540), (207, 634340), (210, 625278), (230, 570906), (252, 521065), (276, 475755), (315, 416852), (322, 407790), (345, 380604), (394, 333270), (414, 317170), (420, 312639), (460, 285453), (483, 271860), (529, 248220), (591, 222180), (630, 208426), (644, 203895), (690, 190302), (788, 166635), (805, 163116), (828, 158585), (966, 135930), (985, 133308), (1035, 126868), (1058, 124110), (1182, 111090), (1260, 104213), (1379, 95220), (1380, 95151), (1449, 90620), (1587, 82740), (1610, 81558), (1773, 74060), (1932, 67965), (1970, 66654), (2070, 63434), (2116, 62055), (2364, 55545), (2415, 54372), (2645, 49644), (2758, 47610), (2898, 45310), (2955, 44436), (3174, 41370), (3220, 40779), (3546, 37030), (3703, 35460), (3940, 33327), (4137, 31740), (4140, 31717), (4531, 28980), (4761, 27580), (4830, 27186), (5290, 24822), (5516, 23805), (5796, 22655), (5910, 22218), (6348, 20685), (6895, 19044), (7092, 18515), (7245, 18124), (7406, 17730), (7935, 16548), (8274, 15870), (8865, 14812), (9062, 14490), (9522, 13790), (9660, 13593), (10580, 12411), (11109, 11820)]