321006080

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3389}}^1$

素因数の和:3449

約数の個数: 80

約数和(自身を含む): 790697160

約数和(自身を除く): 469691080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 1184, 1280, 1480, 2368, 2560, 2960, 3389, 4736, 5920, 6778, 9472, 11840, 13556, 16945, 18944, 23680, 27112, 33890, 47360, 54224, 67780, 94720, 108448, 125393, 135560, 216896, 250786, 271120, 433792, 501572, 542240, 626965, 867584, 1003144, 1084480, 1253930, 1735168, 2006288, 2168960, 2507860, 4012576, 4337920, 5015720, 8025152, 8675840, 10031440, 16050304, 20062880, 32100608, 40125760, 64201216, 80251520, 160503040, 321006080]

約数ペア:

[(1, 321006080), (2, 160503040), (4, 80251520), (5, 64201216), (8, 40125760), (10, 32100608), (16, 20062880), (20, 16050304), (32, 10031440), (37, 8675840), (40, 8025152), (64, 5015720), (74, 4337920), (80, 4012576), (128, 2507860), (148, 2168960), (160, 2006288), (185, 1735168), (256, 1253930), (296, 1084480), (320, 1003144), (370, 867584), (512, 626965), (592, 542240), (640, 501572), (740, 433792), (1184, 271120), (1280, 250786), (1480, 216896), (2368, 135560), (2560, 125393), (2960, 108448), (3389, 94720), (4736, 67780), (5920, 54224), (6778, 47360), (9472, 33890), (11840, 27112), (13556, 23680), (16945, 18944)]