256666800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16453}}^1$

素因数の和:16487

約数の個数: 120

約数和(自身を含む): 885488464

約数和(自身を除く): 628821664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 2600, 3120, 3900, 5200, 7800, 15600, 16453, 32906, 49359, 65812, 82265, 98718, 131624, 164530, 197436, 213889, 246795, 263248, 329060, 394872, 411325, 427778, 493590, 641667, 658120, 789744, 822650, 855556, 987180, 1069445, 1233975, 1283334, 1316240, 1645300, 1711112, 1974360, 2138890, 2467950, 2566668, 3208335, 3290600, 3422224, 3948720, 4277780, 4935900, 5133336, 5347225, 6416670, 6581200, 8555560, 9871800, 10266672, 10694450, 12833340, 16041675, 17111120, 19743600, 21388900, 25666680, 32083350, 42777800, 51333360, 64166700, 85555600, 128333400, 256666800]

約数ペア:

[(1, 256666800), (2, 128333400), (3, 85555600), (4, 64166700), (5, 51333360), (6, 42777800), (8, 32083350), (10, 25666680), (12, 21388900), (13, 19743600), (15, 17111120), (16, 16041675), (20, 12833340), (24, 10694450), (25, 10266672), (26, 9871800), (30, 8555560), (39, 6581200), (40, 6416670), (48, 5347225), (50, 5133336), (52, 4935900), (60, 4277780), (65, 3948720), (75, 3422224), (78, 3290600), (80, 3208335), (100, 2566668), (104, 2467950), (120, 2138890), (130, 1974360), (150, 1711112), (156, 1645300), (195, 1316240), (200, 1283334), (208, 1233975), (240, 1069445), (260, 987180), (300, 855556), (312, 822650), (325, 789744), (390, 658120), (400, 641667), (520, 493590), (600, 427778), (624, 411325), (650, 394872), (780, 329060), (975, 263248), (1040, 246795), (1200, 213889), (1300, 197436), (1560, 164530), (1950, 131624), (2600, 98718), (3120, 82265), (3900, 65812), (5200, 49359), (7800, 32906), (15600, 16453)]