1277394840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{20047}}^1$

素因数の和:20126

約数の個数: 128

約数和(自身を含む): 4330368000

約数和(自身を除く): 3052973160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 295, 354, 360, 472, 531, 540, 590, 708, 885, 1062, 1080, 1180, 1416, 1593, 1770, 2124, 2360, 2655, 3186, 3540, 4248, 5310, 6372, 7080, 7965, 10620, 12744, 15930, 20047, 21240, 31860, 40094, 60141, 63720, 80188, 100235, 120282, 160376, 180423, 200470, 240564, 300705, 360846, 400940, 481128, 541269, 601410, 721692, 801880, 902115, 1082538, 1182773, 1202820, 1443384, 1804230, 2165076, 2365546, 2405640, 2706345, 3548319, 3608460, 4330152, 4731092, 5412690, 5913865, 7096638, 7216920, 9462184, 10644957, 10825380, 11827730, 14193276, 17741595, 21289914, 21650760, 23655460, 28386552, 31934871, 35483190, 42579828, 47310920, 53224785, 63869742, 70966380, 85159656, 106449570, 127739484, 141932760, 159674355, 212899140, 255478968, 319348710, 425798280, 638697420, 1277394840]

約数ペア:

[(1, 1277394840), (2, 638697420), (3, 425798280), (4, 319348710), (5, 255478968), (6, 212899140), (8, 159674355), (9, 141932760), (10, 127739484), (12, 106449570), (15, 85159656), (18, 70966380), (20, 63869742), (24, 53224785), (27, 47310920), (30, 42579828), (36, 35483190), (40, 31934871), (45, 28386552), (54, 23655460), (59, 21650760), (60, 21289914), (72, 17741595), (90, 14193276), (108, 11827730), (118, 10825380), (120, 10644957), (135, 9462184), (177, 7216920), (180, 7096638), (216, 5913865), (236, 5412690), (270, 4731092), (295, 4330152), (354, 3608460), (360, 3548319), (472, 2706345), (531, 2405640), (540, 2365546), (590, 2165076), (708, 1804230), (885, 1443384), (1062, 1202820), (1080, 1182773), (1180, 1082538), (1416, 902115), (1593, 801880), (1770, 721692), (2124, 601410), (2360, 541269), (2655, 481128), (3186, 400940), (3540, 360846), (4248, 300705), (5310, 240564), (6372, 200470), (7080, 180423), (7965, 160376), (10620, 120282), (12744, 100235), (15930, 80188), (20047, 63720), (21240, 60141), (31860, 40094)]