21565080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1619}}^1$

素因数の和:1673

約数の個数: 96

約数和(自身を含む): 72025200

約数和(自身を除く): 50460120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1619, 1665, 2220, 2664, 3238, 3330, 4440, 4857, 6476, 6660, 8095, 9714, 12952, 13320, 14571, 16190, 19428, 24285, 29142, 32380, 38856, 48570, 58284, 59903, 64760, 72855, 97140, 116568, 119806, 145710, 179709, 194280, 239612, 291420, 299515, 359418, 479224, 539127, 582840, 599030, 718836, 898545, 1078254, 1198060, 1437672, 1797090, 2156508, 2396120, 2695635, 3594180, 4313016, 5391270, 7188360, 10782540, 21565080]

約数ペア:

[(1, 21565080), (2, 10782540), (3, 7188360), (4, 5391270), (5, 4313016), (6, 3594180), (8, 2695635), (9, 2396120), (10, 2156508), (12, 1797090), (15, 1437672), (18, 1198060), (20, 1078254), (24, 898545), (30, 718836), (36, 599030), (37, 582840), (40, 539127), (45, 479224), (60, 359418), (72, 299515), (74, 291420), (90, 239612), (111, 194280), (120, 179709), (148, 145710), (180, 119806), (185, 116568), (222, 97140), (296, 72855), (333, 64760), (360, 59903), (370, 58284), (444, 48570), (555, 38856), (666, 32380), (740, 29142), (888, 24285), (1110, 19428), (1332, 16190), (1480, 14571), (1619, 13320), (1665, 12952), (2220, 9714), (2664, 8095), (3238, 6660), (3330, 6476), (4440, 4857)]