28208520

素因数分解:

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

素因数の和:26139

約数の個数: 64

約数和(自身を含む): 94032000

約数和(自身を除く): 65823480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 26119, 52238, 78357, 104476, 130595, 156714, 208952, 235071, 261190, 313428, 391785, 470142, 522380, 626856, 705213, 783570, 940284, 1044760, 1175355, 1410426, 1567140, 1880568, 2350710, 2820852, 3134280, 3526065, 4701420, 5641704, 7052130, 9402840, 14104260, 28208520]

約数ペア:

[(1, 28208520), (2, 14104260), (3, 9402840), (4, 7052130), (5, 5641704), (6, 4701420), (8, 3526065), (9, 3134280), (10, 2820852), (12, 2350710), (15, 1880568), (18, 1567140), (20, 1410426), (24, 1175355), (27, 1044760), (30, 940284), (36, 783570), (40, 705213), (45, 626856), (54, 522380), (60, 470142), (72, 391785), (90, 313428), (108, 261190), (120, 235071), (135, 208952), (180, 156714), (216, 130595), (270, 104476), (360, 78357), (540, 52238), (1080, 26119)]