31991400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{2539}}^1$

素因数の和:2568

約数の個数: 144

約数和(自身を含む): 122834400

約数和(自身を除く): 90843000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 2539, 3150, 4200, 5078, 6300, 7617, 10156, 12600, 12695, 15234, 17773, 20312, 22851, 25390, 30468, 35546, 38085, 45702, 50780, 53319, 60936, 63475, 71092, 76170, 88865, 91404, 101560, 106638, 114255, 126950, 142184, 152340, 159957, 177730, 182808, 190425, 213276, 228510, 253900, 266595, 304680, 319914, 355460, 380850, 426552, 444325, 457020, 507800, 533190, 571275, 639828, 710920, 761700, 799785, 888650, 914040, 1066380, 1142550, 1279656, 1332975, 1523400, 1599570, 1777300, 2132760, 2285100, 2665950, 3199140, 3554600, 3998925, 4570200, 5331900, 6398280, 7997850, 10663800, 15995700, 31991400]

約数ペア:

[(1, 31991400), (2, 15995700), (3, 10663800), (4, 7997850), (5, 6398280), (6, 5331900), (7, 4570200), (8, 3998925), (9, 3554600), (10, 3199140), (12, 2665950), (14, 2285100), (15, 2132760), (18, 1777300), (20, 1599570), (21, 1523400), (24, 1332975), (25, 1279656), (28, 1142550), (30, 1066380), (35, 914040), (36, 888650), (40, 799785), (42, 761700), (45, 710920), (50, 639828), (56, 571275), (60, 533190), (63, 507800), (70, 457020), (72, 444325), (75, 426552), (84, 380850), (90, 355460), (100, 319914), (105, 304680), (120, 266595), (126, 253900), (140, 228510), (150, 213276), (168, 190425), (175, 182808), (180, 177730), (200, 159957), (210, 152340), (225, 142184), (252, 126950), (280, 114255), (300, 106638), (315, 101560), (350, 91404), (360, 88865), (420, 76170), (450, 71092), (504, 63475), (525, 60936), (600, 53319), (630, 50780), (700, 45702), (840, 38085), (900, 35546), (1050, 30468), (1260, 25390), (1400, 22851), (1575, 20312), (1800, 17773), (2100, 15234), (2520, 12695), (2539, 12600), (3150, 10156), (4200, 7617), (5078, 6300)]