31705560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:998

約数の個数: 128

約数和(自身を含む): 109209600

約数和(自身を除く): 77504040

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, 947, 1080, 1116, 1240, 1395, 1674, 1860, 1894, 2232, 2790, 2841, 3348, 3720, 3788, 4185, 4735, 5580, 5682, 6696, 7576, 8370, 8523, 9470, 11160, 11364, 14205, 16740, 17046, 18940, 22728, 25569, 28410, 29357, 33480, 34092, 37880, 42615, 51138, 56820, 58714, 68184, 85230, 88071, 102276, 113640, 117428, 127845, 146785, 170460, 176142, 204552, 234856, 255690, 264213, 293570, 340920, 352284, 440355, 511380, 528426, 587140, 704568, 792639, 880710, 1022760, 1056852, 1174280, 1321065, 1585278, 1761420, 2113704, 2642130, 3170556, 3522840, 3963195, 5284260, 6341112, 7926390, 10568520, 15852780, 31705560]

約数ペア:

[(1, 31705560), (2, 15852780), (3, 10568520), (4, 7926390), (5, 6341112), (6, 5284260), (8, 3963195), (9, 3522840), (10, 3170556), (12, 2642130), (15, 2113704), (18, 1761420), (20, 1585278), (24, 1321065), (27, 1174280), (30, 1056852), (31, 1022760), (36, 880710), (40, 792639), (45, 704568), (54, 587140), (60, 528426), (62, 511380), (72, 440355), (90, 352284), (93, 340920), (108, 293570), (120, 264213), (124, 255690), (135, 234856), (155, 204552), (180, 176142), (186, 170460), (216, 146785), (248, 127845), (270, 117428), (279, 113640), (310, 102276), (360, 88071), (372, 85230), (465, 68184), (540, 58714), (558, 56820), (620, 51138), (744, 42615), (837, 37880), (930, 34092), (947, 33480), (1080, 29357), (1116, 28410), (1240, 25569), (1395, 22728), (1674, 18940), (1860, 17046), (1894, 16740), (2232, 14205), (2790, 11364), (2841, 11160), (3348, 9470), (3720, 8523), (3788, 8370), (4185, 7576), (4735, 6696), (5580, 5682)]