16581840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{571}}^1$

素因数の和:609

約数の個数: 120

約数和(自身を含む): 56600544

約数和(自身を除く): 40018704

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 571, 605, 660, 726, 880, 968, 1142, 1210, 1320, 1452, 1713, 1815, 1936, 2284, 2420, 2640, 2855, 2904, 3426, 3630, 4568, 4840, 5710, 5808, 6281, 6852, 7260, 8565, 9136, 9680, 11420, 12562, 13704, 14520, 17130, 18843, 22840, 25124, 27408, 29040, 31405, 34260, 37686, 45680, 50248, 62810, 68520, 69091, 75372, 94215, 100496, 125620, 137040, 138182, 150744, 188430, 207273, 251240, 276364, 301488, 345455, 376860, 414546, 502480, 552728, 690910, 753720, 829092, 1036365, 1105456, 1381820, 1507440, 1658184, 2072730, 2763640, 3316368, 4145460, 5527280, 8290920, 16581840]

約数ペア:

[(1, 16581840), (2, 8290920), (3, 5527280), (4, 4145460), (5, 3316368), (6, 2763640), (8, 2072730), (10, 1658184), (11, 1507440), (12, 1381820), (15, 1105456), (16, 1036365), (20, 829092), (22, 753720), (24, 690910), (30, 552728), (33, 502480), (40, 414546), (44, 376860), (48, 345455), (55, 301488), (60, 276364), (66, 251240), (80, 207273), (88, 188430), (110, 150744), (120, 138182), (121, 137040), (132, 125620), (165, 100496), (176, 94215), (220, 75372), (240, 69091), (242, 68520), (264, 62810), (330, 50248), (363, 45680), (440, 37686), (484, 34260), (528, 31405), (571, 29040), (605, 27408), (660, 25124), (726, 22840), (880, 18843), (968, 17130), (1142, 14520), (1210, 13704), (1320, 12562), (1452, 11420), (1713, 9680), (1815, 9136), (1936, 8565), (2284, 7260), (2420, 6852), (2640, 6281), (2855, 5808), (2904, 5710), (3426, 4840), (3630, 4568)]