1287811920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{967}}^1$

素因数の和:1193

約数の個数: 160

約数和(自身を含む): 4148305920

約数和(自身を除く): 2860494000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 179, 186, 240, 248, 310, 358, 372, 465, 496, 537, 620, 716, 744, 895, 930, 967, 1074, 1240, 1432, 1488, 1790, 1860, 1934, 2148, 2480, 2685, 2864, 2901, 3580, 3720, 3868, 4296, 4835, 5370, 5549, 5802, 7160, 7440, 7736, 8592, 9670, 10740, 11098, 11604, 14320, 14505, 15472, 16647, 19340, 21480, 22196, 23208, 27745, 29010, 29977, 33294, 38680, 42960, 44392, 46416, 55490, 58020, 59954, 66588, 77360, 83235, 88784, 89931, 110980, 116040, 119908, 133176, 149885, 166470, 173093, 179862, 221960, 232080, 239816, 266352, 299770, 332940, 346186, 359724, 443920, 449655, 479632, 519279, 599540, 665880, 692372, 719448, 865465, 899310, 1038558, 1199080, 1331760, 1384744, 1438896, 1730930, 1798620, 2077116, 2398160, 2596395, 2769488, 3461860, 3597240, 4154232, 5192790, 5365883, 6923720, 7194480, 8308464, 10385580, 10731766, 13847440, 16097649, 20771160, 21463532, 26829415, 32195298, 41542320, 42927064, 53658830, 64390596, 80488245, 85854128, 107317660, 128781192, 160976490, 214635320, 257562384, 321952980, 429270640, 643905960, 1287811920]

約数ペア:

[(1, 1287811920), (2, 643905960), (3, 429270640), (4, 321952980), (5, 257562384), (6, 214635320), (8, 160976490), (10, 128781192), (12, 107317660), (15, 85854128), (16, 80488245), (20, 64390596), (24, 53658830), (30, 42927064), (31, 41542320), (40, 32195298), (48, 26829415), (60, 21463532), (62, 20771160), (80, 16097649), (93, 13847440), (120, 10731766), (124, 10385580), (155, 8308464), (179, 7194480), (186, 6923720), (240, 5365883), (248, 5192790), (310, 4154232), (358, 3597240), (372, 3461860), (465, 2769488), (496, 2596395), (537, 2398160), (620, 2077116), (716, 1798620), (744, 1730930), (895, 1438896), (930, 1384744), (967, 1331760), (1074, 1199080), (1240, 1038558), (1432, 899310), (1488, 865465), (1790, 719448), (1860, 692372), (1934, 665880), (2148, 599540), (2480, 519279), (2685, 479632), (2864, 449655), (2901, 443920), (3580, 359724), (3720, 346186), (3868, 332940), (4296, 299770), (4835, 266352), (5370, 239816), (5549, 232080), (5802, 221960), (7160, 179862), (7440, 173093), (7736, 166470), (8592, 149885), (9670, 133176), (10740, 119908), (11098, 116040), (11604, 110980), (14320, 89931), (14505, 88784), (15472, 83235), (16647, 77360), (19340, 66588), (21480, 59954), (22196, 58020), (23208, 55490), (27745, 46416), (29010, 44392), (29977, 42960), (33294, 38680)]