7881000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 25608960

約数和(自身を除く): 17727960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 37, 40, 50, 60, 71, 74, 75, 100, 111, 120, 125, 142, 148, 150, 185, 200, 213, 222, 250, 284, 296, 300, 355, 370, 375, 426, 444, 500, 555, 568, 600, 710, 740, 750, 852, 888, 925, 1000, 1065, 1110, 1420, 1480, 1500, 1704, 1775, 1850, 2130, 2220, 2627, 2775, 2840, 3000, 3550, 3700, 4260, 4440, 4625, 5254, 5325, 5550, 7100, 7400, 7881, 8520, 8875, 9250, 10508, 10650, 11100, 13135, 13875, 14200, 15762, 17750, 18500, 21016, 21300, 22200, 26270, 26625, 27750, 31524, 35500, 37000, 39405, 42600, 52540, 53250, 55500, 63048, 65675, 71000, 78810, 105080, 106500, 111000, 131350, 157620, 197025, 213000, 262700, 315240, 328375, 394050, 525400, 656750, 788100, 985125, 1313500, 1576200, 1970250, 2627000, 3940500, 7881000]

約数ペア:

[(1, 7881000), (2, 3940500), (3, 2627000), (4, 1970250), (5, 1576200), (6, 1313500), (8, 985125), (10, 788100), (12, 656750), (15, 525400), (20, 394050), (24, 328375), (25, 315240), (30, 262700), (37, 213000), (40, 197025), (50, 157620), (60, 131350), (71, 111000), (74, 106500), (75, 105080), (100, 78810), (111, 71000), (120, 65675), (125, 63048), (142, 55500), (148, 53250), (150, 52540), (185, 42600), (200, 39405), (213, 37000), (222, 35500), (250, 31524), (284, 27750), (296, 26625), (300, 26270), (355, 22200), (370, 21300), (375, 21016), (426, 18500), (444, 17750), (500, 15762), (555, 14200), (568, 13875), (600, 13135), (710, 11100), (740, 10650), (750, 10508), (852, 9250), (888, 8875), (925, 8520), (1000, 7881), (1065, 7400), (1110, 7100), (1420, 5550), (1480, 5325), (1500, 5254), (1704, 4625), (1775, 4440), (1850, 4260), (2130, 3700), (2220, 3550), (2627, 3000), (2775, 2840)]