256945500

素因数分解:

$2^2\times 3^3\times 5^3\times 7^1\times {\mathrm{2719}}^1$

素因数の和:2754

約数の個数: 192

約数和(自身を含む): 950476800

約数和(自身を除く): 693531300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 125, 126, 135, 140, 150, 175, 180, 189, 210, 225, 250, 252, 270, 300, 315, 350, 375, 378, 420, 450, 500, 525, 540, 630, 675, 700, 750, 756, 875, 900, 945, 1050, 1125, 1260, 1350, 1500, 1575, 1750, 1890, 2100, 2250, 2625, 2700, 2719, 3150, 3375, 3500, 3780, 4500, 4725, 5250, 5438, 6300, 6750, 7875, 8157, 9450, 10500, 10876, 13500, 13595, 15750, 16314, 18900, 19033, 23625, 24471, 27190, 31500, 32628, 38066, 40785, 47250, 48942, 54380, 57099, 67975, 73413, 76132, 81570, 94500, 95165, 97884, 114198, 122355, 135950, 146826, 163140, 171297, 190330, 203925, 228396, 244710, 271900, 285495, 293652, 339875, 342594, 367065, 380660, 407850, 475825, 489420, 513891, 570990, 611775, 679750, 685188, 734130, 815700, 856485, 951650, 1019625, 1027782, 1141980, 1223550, 1359500, 1427475, 1468260, 1712970, 1835325, 1903300, 2039250, 2055564, 2379125, 2447100, 2569455, 2854950, 3058875, 3425940, 3670650, 4078500, 4282425, 4758250, 5138910, 5709900, 6117750, 7137375, 7341300, 8564850, 9176625, 9516500, 10277820, 12235500, 12847275, 14274750, 17129700, 18353250, 21412125, 25694550, 28549500, 36706500, 42824250, 51389100, 64236375, 85648500, 128472750, 256945500]

約数ペア:

[(1, 256945500), (2, 128472750), (3, 85648500), (4, 64236375), (5, 51389100), (6, 42824250), (7, 36706500), (9, 28549500), (10, 25694550), (12, 21412125), (14, 18353250), (15, 17129700), (18, 14274750), (20, 12847275), (21, 12235500), (25, 10277820), (27, 9516500), (28, 9176625), (30, 8564850), (35, 7341300), (36, 7137375), (42, 6117750), (45, 5709900), (50, 5138910), (54, 4758250), (60, 4282425), (63, 4078500), (70, 3670650), (75, 3425940), (84, 3058875), (90, 2854950), (100, 2569455), (105, 2447100), (108, 2379125), (125, 2055564), (126, 2039250), (135, 1903300), (140, 1835325), (150, 1712970), (175, 1468260), (180, 1427475), (189, 1359500), (210, 1223550), (225, 1141980), (250, 1027782), (252, 1019625), (270, 951650), (300, 856485), (315, 815700), (350, 734130), (375, 685188), (378, 679750), (420, 611775), (450, 570990), (500, 513891), (525, 489420), (540, 475825), (630, 407850), (675, 380660), (700, 367065), (750, 342594), (756, 339875), (875, 293652), (900, 285495), (945, 271900), (1050, 244710), (1125, 228396), (1260, 203925), (1350, 190330), (1500, 171297), (1575, 163140), (1750, 146826), (1890, 135950), (2100, 122355), (2250, 114198), (2625, 97884), (2700, 95165), (2719, 94500), (3150, 81570), (3375, 76132), (3500, 73413), (3780, 67975), (4500, 57099), (4725, 54380), (5250, 48942), (5438, 47250), (6300, 40785), (6750, 38066), (7875, 32628), (8157, 31500), (9450, 27190), (10500, 24471), (10876, 23625), (13500, 19033), (13595, 18900), (15750, 16314)]