81018900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 144

約数和(自身を含む): 267830080

約数和(自身を除く): 186811180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 90, 100, 108, 111, 135, 148, 150, 180, 185, 222, 225, 270, 300, 333, 370, 444, 450, 540, 555, 666, 675, 740, 811, 900, 925, 999, 1110, 1332, 1350, 1622, 1665, 1850, 1998, 2220, 2433, 2700, 2775, 3244, 3330, 3700, 3996, 4055, 4866, 4995, 5550, 6660, 7299, 8110, 8325, 9732, 9990, 11100, 12165, 14598, 16220, 16650, 19980, 20275, 21897, 24330, 24975, 29196, 30007, 33300, 36495, 40550, 43794, 48660, 49950, 60014, 60825, 72990, 81100, 87588, 90021, 99900, 109485, 120028, 121650, 145980, 150035, 180042, 182475, 218970, 243300, 270063, 300070, 360084, 364950, 437940, 450105, 540126, 547425, 600140, 729900, 750175, 810189, 900210, 1080252, 1094850, 1350315, 1500350, 1620378, 1800420, 2189700, 2250525, 2700630, 3000700, 3240756, 4050945, 4501050, 5401260, 6751575, 8101890, 9002100, 13503150, 16203780, 20254725, 27006300, 40509450, 81018900]

約数ペア:

[(1, 81018900), (2, 40509450), (3, 27006300), (4, 20254725), (5, 16203780), (6, 13503150), (9, 9002100), (10, 8101890), (12, 6751575), (15, 5401260), (18, 4501050), (20, 4050945), (25, 3240756), (27, 3000700), (30, 2700630), (36, 2250525), (37, 2189700), (45, 1800420), (50, 1620378), (54, 1500350), (60, 1350315), (74, 1094850), (75, 1080252), (90, 900210), (100, 810189), (108, 750175), (111, 729900), (135, 600140), (148, 547425), (150, 540126), (180, 450105), (185, 437940), (222, 364950), (225, 360084), (270, 300070), (300, 270063), (333, 243300), (370, 218970), (444, 182475), (450, 180042), (540, 150035), (555, 145980), (666, 121650), (675, 120028), (740, 109485), (811, 99900), (900, 90021), (925, 87588), (999, 81100), (1110, 72990), (1332, 60825), (1350, 60014), (1622, 49950), (1665, 48660), (1850, 43794), (1998, 40550), (2220, 36495), (2433, 33300), (2700, 30007), (2775, 29196), (3244, 24975), (3330, 24330), (3700, 21897), (3996, 20275), (4055, 19980), (4866, 16650), (4995, 16220), (5550, 14598), (6660, 12165), (7299, 11100), (8110, 9990), (8325, 9732)]