31357410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 128

約数和(自身を含む): 94003200

約数和(自身を除く): 62645790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 29, 30, 35, 38, 42, 57, 58, 70, 87, 95, 105, 114, 133, 145, 174, 190, 203, 210, 266, 271, 285, 290, 399, 406, 435, 542, 551, 570, 609, 665, 798, 813, 870, 1015, 1102, 1218, 1330, 1355, 1626, 1653, 1897, 1995, 2030, 2710, 2755, 3045, 3306, 3794, 3857, 3990, 4065, 5149, 5510, 5691, 6090, 7714, 7859, 8130, 8265, 9485, 10298, 11382, 11571, 15447, 15718, 16530, 18970, 19285, 23142, 23577, 25745, 28455, 30894, 36043, 38570, 39295, 47154, 51490, 55013, 56910, 57855, 72086, 77235, 78590, 108129, 110026, 115710, 117885, 149321, 154470, 165039, 180215, 216258, 235770, 275065, 298642, 330078, 360430, 447963, 540645, 550130, 746605, 825195, 895926, 1045247, 1081290, 1493210, 1650390, 2090494, 2239815, 3135741, 4479630, 5226235, 6271482, 10452470, 15678705, 31357410]

約数ペア:

[(1, 31357410), (2, 15678705), (3, 10452470), (5, 6271482), (6, 5226235), (7, 4479630), (10, 3135741), (14, 2239815), (15, 2090494), (19, 1650390), (21, 1493210), (29, 1081290), (30, 1045247), (35, 895926), (38, 825195), (42, 746605), (57, 550130), (58, 540645), (70, 447963), (87, 360430), (95, 330078), (105, 298642), (114, 275065), (133, 235770), (145, 216258), (174, 180215), (190, 165039), (203, 154470), (210, 149321), (266, 117885), (271, 115710), (285, 110026), (290, 108129), (399, 78590), (406, 77235), (435, 72086), (542, 57855), (551, 56910), (570, 55013), (609, 51490), (665, 47154), (798, 39295), (813, 38570), (870, 36043), (1015, 30894), (1102, 28455), (1218, 25745), (1330, 23577), (1355, 23142), (1626, 19285), (1653, 18970), (1897, 16530), (1995, 15718), (2030, 15447), (2710, 11571), (2755, 11382), (3045, 10298), (3306, 9485), (3794, 8265), (3857, 8130), (3990, 7859), (4065, 7714), (5149, 6090), (5510, 5691)]