18678750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:335

約数の個数: 80

約数和(自身を含む): 49596624

約数和(自身を除く): 30917874

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 293, 375, 425, 510, 586, 625, 750, 850, 879, 1250, 1275, 1465, 1758, 1875, 2125, 2550, 2930, 3750, 4250, 4395, 4981, 6375, 7325, 8790, 9962, 10625, 12750, 14650, 14943, 21250, 21975, 24905, 29886, 31875, 36625, 43950, 49810, 63750, 73250, 74715, 109875, 124525, 149430, 183125, 219750, 249050, 366250, 373575, 549375, 622625, 747150, 1098750, 1245250, 1867875, 3113125, 3735750, 6226250, 9339375, 18678750]

約数ペア:

[(1, 18678750), (2, 9339375), (3, 6226250), (5, 3735750), (6, 3113125), (10, 1867875), (15, 1245250), (17, 1098750), (25, 747150), (30, 622625), (34, 549375), (50, 373575), (51, 366250), (75, 249050), (85, 219750), (102, 183125), (125, 149430), (150, 124525), (170, 109875), (250, 74715), (255, 73250), (293, 63750), (375, 49810), (425, 43950), (510, 36625), (586, 31875), (625, 29886), (750, 24905), (850, 21975), (879, 21250), (1250, 14943), (1275, 14650), (1465, 12750), (1758, 10625), (1875, 9962), (2125, 8790), (2550, 7325), (2930, 6375), (3750, 4981), (4250, 4395)]