131508720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:392

約数の個数: 240

約数和(自身を含む): 511842240

約数和(自身を除く): 380333520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 97, 105, 112, 120, 126, 140, 144, 168, 180, 194, 210, 240, 252, 269, 280, 291, 315, 336, 360, 388, 420, 485, 504, 538, 560, 582, 630, 679, 720, 776, 807, 840, 873, 970, 1008, 1076, 1164, 1260, 1345, 1358, 1455, 1552, 1614, 1680, 1746, 1883, 1940, 2037, 2152, 2328, 2421, 2520, 2690, 2716, 2910, 3228, 3395, 3492, 3766, 3880, 4035, 4074, 4304, 4365, 4656, 4842, 5040, 5380, 5432, 5649, 5820, 6111, 6456, 6790, 6984, 7532, 7760, 8070, 8148, 8730, 9415, 9684, 10185, 10760, 10864, 11298, 11640, 12105, 12222, 12912, 13580, 13968, 15064, 16140, 16296, 16947, 17460, 18830, 19368, 20370, 21520, 22596, 23280, 24210, 24444, 26093, 27160, 28245, 30128, 30555, 32280, 32592, 33894, 34920, 37660, 38736, 40740, 45192, 48420, 48888, 52186, 54320, 56490, 61110, 64560, 67788, 69840, 75320, 78279, 81480, 84735, 90384, 96840, 97776, 104372, 112980, 122220, 130465, 135576, 150640, 156558, 162960, 169470, 182651, 193680, 208744, 225960, 234837, 244440, 260930, 271152, 313116, 338940, 365302, 391395, 417488, 451920, 469674, 488880, 521860, 547953, 626232, 677880, 730604, 782790, 913255, 939348, 1043720, 1095906, 1174185, 1252464, 1355760, 1461208, 1565580, 1643859, 1826510, 1878696, 2087440, 2191812, 2348370, 2739765, 2922416, 3131160, 3287718, 3653020, 3757392, 4383624, 4696740, 5479530, 6262320, 6575436, 7306040, 8219295, 8767248, 9393480, 10959060, 13150872, 14612080, 16438590, 18786960, 21918120, 26301744, 32877180, 43836240, 65754360, 131508720]

約数ペア:

[(1, 131508720), (2, 65754360), (3, 43836240), (4, 32877180), (5, 26301744), (6, 21918120), (7, 18786960), (8, 16438590), (9, 14612080), (10, 13150872), (12, 10959060), (14, 9393480), (15, 8767248), (16, 8219295), (18, 7306040), (20, 6575436), (21, 6262320), (24, 5479530), (28, 4696740), (30, 4383624), (35, 3757392), (36, 3653020), (40, 3287718), (42, 3131160), (45, 2922416), (48, 2739765), (56, 2348370), (60, 2191812), (63, 2087440), (70, 1878696), (72, 1826510), (80, 1643859), (84, 1565580), (90, 1461208), (97, 1355760), (105, 1252464), (112, 1174185), (120, 1095906), (126, 1043720), (140, 939348), (144, 913255), (168, 782790), (180, 730604), (194, 677880), (210, 626232), (240, 547953), (252, 521860), (269, 488880), (280, 469674), (291, 451920), (315, 417488), (336, 391395), (360, 365302), (388, 338940), (420, 313116), (485, 271152), (504, 260930), (538, 244440), (560, 234837), (582, 225960), (630, 208744), (679, 193680), (720, 182651), (776, 169470), (807, 162960), (840, 156558), (873, 150640), (970, 135576), (1008, 130465), (1076, 122220), (1164, 112980), (1260, 104372), (1345, 97776), (1358, 96840), (1455, 90384), (1552, 84735), (1614, 81480), (1680, 78279), (1746, 75320), (1883, 69840), (1940, 67788), (2037, 64560), (2152, 61110), (2328, 56490), (2421, 54320), (2520, 52186), (2690, 48888), (2716, 48420), (2910, 45192), (3228, 40740), (3395, 38736), (3492, 37660), (3766, 34920), (3880, 33894), (4035, 32592), (4074, 32280), (4304, 30555), (4365, 30128), (4656, 28245), (4842, 27160), (5040, 26093), (5380, 24444), (5432, 24210), (5649, 23280), (5820, 22596), (6111, 21520), (6456, 20370), (6790, 19368), (6984, 18830), (7532, 17460), (7760, 16947), (8070, 16296), (8148, 16140), (8730, 15064), (9415, 13968), (9684, 13580), (10185, 12912), (10760, 12222), (10864, 12105), (11298, 11640)]