31221450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{593}}^1$

素因数の和:630

約数の個数: 120

約数和(自身を含む): 93579948

約数和(自身を除く): 62358498

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 81, 90, 117, 130, 135, 150, 162, 195, 225, 234, 270, 325, 351, 390, 405, 450, 585, 593, 650, 675, 702, 810, 975, 1053, 1170, 1186, 1350, 1755, 1779, 1950, 2025, 2106, 2925, 2965, 3510, 3558, 4050, 5265, 5337, 5850, 5930, 7709, 8775, 8895, 10530, 10674, 14825, 15418, 16011, 17550, 17790, 23127, 26325, 26685, 29650, 32022, 38545, 44475, 46254, 48033, 52650, 53370, 69381, 77090, 80055, 88950, 96066, 115635, 133425, 138762, 160110, 192725, 208143, 231270, 240165, 266850, 346905, 385450, 400275, 416286, 480330, 578175, 624429, 693810, 800550, 1040715, 1156350, 1200825, 1248858, 1734525, 2081430, 2401650, 3122145, 3469050, 5203575, 6244290, 10407150, 15610725, 31221450]

約数ペア:

[(1, 31221450), (2, 15610725), (3, 10407150), (5, 6244290), (6, 5203575), (9, 3469050), (10, 3122145), (13, 2401650), (15, 2081430), (18, 1734525), (25, 1248858), (26, 1200825), (27, 1156350), (30, 1040715), (39, 800550), (45, 693810), (50, 624429), (54, 578175), (65, 480330), (75, 416286), (78, 400275), (81, 385450), (90, 346905), (117, 266850), (130, 240165), (135, 231270), (150, 208143), (162, 192725), (195, 160110), (225, 138762), (234, 133425), (270, 115635), (325, 96066), (351, 88950), (390, 80055), (405, 77090), (450, 69381), (585, 53370), (593, 52650), (650, 48033), (675, 46254), (702, 44475), (810, 38545), (975, 32022), (1053, 29650), (1170, 26685), (1186, 26325), (1350, 23127), (1755, 17790), (1779, 17550), (1950, 16011), (2025, 15418), (2106, 14825), (2925, 10674), (2965, 10530), (3510, 8895), (3558, 8775), (4050, 7709), (5265, 5930), (5337, 5850)]