31385700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{811}}^1$

素因数の和:874

約数の個数: 108

約数和(自身を含む): 100788688

約数和(自身を除く): 69402988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 43, 45, 50, 60, 75, 86, 90, 100, 129, 150, 172, 180, 215, 225, 258, 300, 387, 430, 450, 516, 645, 774, 811, 860, 900, 1075, 1290, 1548, 1622, 1935, 2150, 2433, 2580, 3225, 3244, 3870, 4055, 4300, 4866, 6450, 7299, 7740, 8110, 9675, 9732, 12165, 12900, 14598, 16220, 19350, 20275, 24330, 29196, 34873, 36495, 38700, 40550, 48660, 60825, 69746, 72990, 81100, 104619, 121650, 139492, 145980, 174365, 182475, 209238, 243300, 313857, 348730, 364950, 418476, 523095, 627714, 697460, 729900, 871825, 1046190, 1255428, 1569285, 1743650, 2092380, 2615475, 3138570, 3487300, 5230950, 6277140, 7846425, 10461900, 15692850, 31385700]

約数ペア:

[(1, 31385700), (2, 15692850), (3, 10461900), (4, 7846425), (5, 6277140), (6, 5230950), (9, 3487300), (10, 3138570), (12, 2615475), (15, 2092380), (18, 1743650), (20, 1569285), (25, 1255428), (30, 1046190), (36, 871825), (43, 729900), (45, 697460), (50, 627714), (60, 523095), (75, 418476), (86, 364950), (90, 348730), (100, 313857), (129, 243300), (150, 209238), (172, 182475), (180, 174365), (215, 145980), (225, 139492), (258, 121650), (300, 104619), (387, 81100), (430, 72990), (450, 69746), (516, 60825), (645, 48660), (774, 40550), (811, 38700), (860, 36495), (900, 34873), (1075, 29196), (1290, 24330), (1548, 20275), (1622, 19350), (1935, 16220), (2150, 14598), (2433, 12900), (2580, 12165), (3225, 9732), (3244, 9675), (3870, 8110), (4055, 7740), (4300, 7299), (4866, 6450)]