810900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:90

約数の個数: 108

約数和(自身を含む): 2742012

約数和(自身を除く): 1931112

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 53, 60, 68, 75, 85, 90, 100, 102, 106, 150, 153, 159, 170, 180, 204, 212, 225, 255, 265, 300, 306, 318, 340, 425, 450, 477, 510, 530, 612, 636, 765, 795, 850, 900, 901, 954, 1020, 1060, 1275, 1325, 1530, 1590, 1700, 1802, 1908, 2385, 2550, 2650, 2703, 3060, 3180, 3604, 3825, 3975, 4505, 4770, 5100, 5300, 5406, 7650, 7950, 8109, 9010, 9540, 10812, 11925, 13515, 15300, 15900, 16218, 18020, 22525, 23850, 27030, 32436, 40545, 45050, 47700, 54060, 67575, 81090, 90100, 135150, 162180, 202725, 270300, 405450, 810900]

約数ペア:

[(1, 810900), (2, 405450), (3, 270300), (4, 202725), (5, 162180), (6, 135150), (9, 90100), (10, 81090), (12, 67575), (15, 54060), (17, 47700), (18, 45050), (20, 40545), (25, 32436), (30, 27030), (34, 23850), (36, 22525), (45, 18020), (50, 16218), (51, 15900), (53, 15300), (60, 13515), (68, 11925), (75, 10812), (85, 9540), (90, 9010), (100, 8109), (102, 7950), (106, 7650), (150, 5406), (153, 5300), (159, 5100), (170, 4770), (180, 4505), (204, 3975), (212, 3825), (225, 3604), (255, 3180), (265, 3060), (300, 2703), (306, 2650), (318, 2550), (340, 2385), (425, 1908), (450, 1802), (477, 1700), (510, 1590), (530, 1530), (612, 1325), (636, 1275), (765, 1060), (795, 1020), (850, 954), (900, 901)]