18805680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26119}}^1$

素因数の和:26138

約数の個数: 60

約数和(自身を含む): 63158160

約数和(自身を除く): 44352480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26119, 52238, 78357, 104476, 130595, 156714, 208952, 235071, 261190, 313428, 391785, 417904, 470142, 522380, 626856, 783570, 940284, 1044760, 1175355, 1253712, 1567140, 1880568, 2089520, 2350710, 3134280, 3761136, 4701420, 6268560, 9402840, 18805680]

約数ペア:

[(1, 18805680), (2, 9402840), (3, 6268560), (4, 4701420), (5, 3761136), (6, 3134280), (8, 2350710), (9, 2089520), (10, 1880568), (12, 1567140), (15, 1253712), (16, 1175355), (18, 1044760), (20, 940284), (24, 783570), (30, 626856), (36, 522380), (40, 470142), (45, 417904), (48, 391785), (60, 313428), (72, 261190), (80, 235071), (90, 208952), (120, 156714), (144, 130595), (180, 104476), (240, 78357), (360, 52238), (720, 26119)]