80720280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2411}}^1$

素因数の和:2462

約数の個数: 128

約数和(自身を含む): 277862400

約数和(自身を除く): 197142120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2411, 2790, 3348, 3720, 4185, 4822, 5580, 6696, 7233, 8370, 9644, 11160, 12055, 14466, 16740, 19288, 21699, 24110, 28932, 33480, 36165, 43398, 48220, 57864, 65097, 72330, 74741, 86796, 96440, 108495, 130194, 144660, 149482, 173592, 216990, 224223, 260388, 289320, 298964, 325485, 373705, 433980, 448446, 520776, 597928, 650970, 672669, 747410, 867960, 896892, 1121115, 1301940, 1345338, 1494820, 1793784, 2018007, 2242230, 2603880, 2690676, 2989640, 3363345, 4036014, 4484460, 5381352, 6726690, 8072028, 8968920, 10090035, 13453380, 16144056, 20180070, 26906760, 40360140, 80720280]

約数ペア:

[(1, 80720280), (2, 40360140), (3, 26906760), (4, 20180070), (5, 16144056), (6, 13453380), (8, 10090035), (9, 8968920), (10, 8072028), (12, 6726690), (15, 5381352), (18, 4484460), (20, 4036014), (24, 3363345), (27, 2989640), (30, 2690676), (31, 2603880), (36, 2242230), (40, 2018007), (45, 1793784), (54, 1494820), (60, 1345338), (62, 1301940), (72, 1121115), (90, 896892), (93, 867960), (108, 747410), (120, 672669), (124, 650970), (135, 597928), (155, 520776), (180, 448446), (186, 433980), (216, 373705), (248, 325485), (270, 298964), (279, 289320), (310, 260388), (360, 224223), (372, 216990), (465, 173592), (540, 149482), (558, 144660), (620, 130194), (744, 108495), (837, 96440), (930, 86796), (1080, 74741), (1116, 72330), (1240, 65097), (1395, 57864), (1674, 48220), (1860, 43398), (2232, 36165), (2411, 33480), (2790, 28932), (3348, 24110), (3720, 21699), (4185, 19288), (4822, 16740), (5580, 14466), (6696, 12055), (7233, 11160), (8370, 9644)]