80318520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2450

約数の個数: 128

約数和(自身を含む): 276480000

約数和(自身を除く): 196161480

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, 2399, 2790, 3348, 3720, 4185, 4798, 5580, 6696, 7197, 8370, 9596, 11160, 11995, 14394, 16740, 19192, 21591, 23990, 28788, 33480, 35985, 43182, 47980, 57576, 64773, 71970, 74369, 86364, 95960, 107955, 129546, 143940, 148738, 172728, 215910, 223107, 259092, 287880, 297476, 323865, 371845, 431820, 446214, 518184, 594952, 647730, 669321, 743690, 863640, 892428, 1115535, 1295460, 1338642, 1487380, 1784856, 2007963, 2231070, 2590920, 2677284, 2974760, 3346605, 4015926, 4462140, 5354568, 6693210, 8031852, 8924280, 10039815, 13386420, 16063704, 20079630, 26772840, 40159260, 80318520]

約数ペア:

[(1, 80318520), (2, 40159260), (3, 26772840), (4, 20079630), (5, 16063704), (6, 13386420), (8, 10039815), (9, 8924280), (10, 8031852), (12, 6693210), (15, 5354568), (18, 4462140), (20, 4015926), (24, 3346605), (27, 2974760), (30, 2677284), (31, 2590920), (36, 2231070), (40, 2007963), (45, 1784856), (54, 1487380), (60, 1338642), (62, 1295460), (72, 1115535), (90, 892428), (93, 863640), (108, 743690), (120, 669321), (124, 647730), (135, 594952), (155, 518184), (180, 446214), (186, 431820), (216, 371845), (248, 323865), (270, 297476), (279, 287880), (310, 259092), (360, 223107), (372, 215910), (465, 172728), (540, 148738), (558, 143940), (620, 129546), (744, 107955), (837, 95960), (930, 86364), (1080, 74369), (1116, 71970), (1240, 64773), (1395, 57576), (1674, 47980), (1860, 43182), (2232, 35985), (2399, 33480), (2790, 28788), (3348, 23990), (3720, 21591), (4185, 19192), (4798, 16740), (5580, 14394), (6696, 11995), (7197, 11160), (8370, 9596)]