161343900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{19919}}^1$

素因数の和:19945

約数の個数: 90

約数和(自身を含む): 523039440

約数和(自身を除く): 361695540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 19919, 39838, 59757, 79676, 99595, 119514, 179271, 199190, 239028, 298785, 358542, 398380, 497975, 537813, 597570, 717084, 896355, 995950, 1075626, 1195140, 1493925, 1613439, 1792710, 1991900, 2151252, 2689065, 2987850, 3226878, 3585420, 4481775, 5378130, 5975700, 6453756, 8067195, 8963550, 10756260, 13445325, 16134390, 17927100, 26890650, 32268780, 40335975, 53781300, 80671950, 161343900]

約数ペア:

[(1, 161343900), (2, 80671950), (3, 53781300), (4, 40335975), (5, 32268780), (6, 26890650), (9, 17927100), (10, 16134390), (12, 13445325), (15, 10756260), (18, 8963550), (20, 8067195), (25, 6453756), (27, 5975700), (30, 5378130), (36, 4481775), (45, 3585420), (50, 3226878), (54, 2987850), (60, 2689065), (75, 2151252), (81, 1991900), (90, 1792710), (100, 1613439), (108, 1493925), (135, 1195140), (150, 1075626), (162, 995950), (180, 896355), (225, 717084), (270, 597570), (300, 537813), (324, 497975), (405, 398380), (450, 358542), (540, 298785), (675, 239028), (810, 199190), (900, 179271), (1350, 119514), (1620, 99595), (2025, 79676), (2700, 59757), (4050, 39838), (8100, 19919)]