123328000

素因数分解:

$2^9\times 5^3\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 160

約数和(自身を含む): 321729408

約数和(自身を除く): 198401408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 47, 50, 64, 80, 82, 94, 100, 125, 128, 160, 164, 188, 200, 205, 235, 250, 256, 320, 328, 376, 400, 410, 470, 500, 512, 640, 656, 752, 800, 820, 940, 1000, 1025, 1175, 1280, 1312, 1504, 1600, 1640, 1880, 1927, 2000, 2050, 2350, 2560, 2624, 3008, 3200, 3280, 3760, 3854, 4000, 4100, 4700, 5125, 5248, 5875, 6016, 6400, 6560, 7520, 7708, 8000, 8200, 9400, 9635, 10250, 10496, 11750, 12032, 12800, 13120, 15040, 15416, 16000, 16400, 18800, 19270, 20500, 20992, 23500, 24064, 26240, 30080, 30832, 32000, 32800, 37600, 38540, 41000, 47000, 48175, 52480, 60160, 61664, 64000, 65600, 75200, 77080, 82000, 94000, 96350, 104960, 120320, 123328, 131200, 150400, 154160, 164000, 188000, 192700, 240875, 246656, 262400, 300800, 308320, 328000, 376000, 385400, 481750, 493312, 524800, 601600, 616640, 656000, 752000, 770800, 963500, 986624, 1233280, 1312000, 1504000, 1541600, 1927000, 2466560, 2624000, 3008000, 3083200, 3854000, 4933120, 6166400, 7708000, 12332800, 15416000, 24665600, 30832000, 61664000, 123328000]

約数ペア:

[(1, 123328000), (2, 61664000), (4, 30832000), (5, 24665600), (8, 15416000), (10, 12332800), (16, 7708000), (20, 6166400), (25, 4933120), (32, 3854000), (40, 3083200), (41, 3008000), (47, 2624000), (50, 2466560), (64, 1927000), (80, 1541600), (82, 1504000), (94, 1312000), (100, 1233280), (125, 986624), (128, 963500), (160, 770800), (164, 752000), (188, 656000), (200, 616640), (205, 601600), (235, 524800), (250, 493312), (256, 481750), (320, 385400), (328, 376000), (376, 328000), (400, 308320), (410, 300800), (470, 262400), (500, 246656), (512, 240875), (640, 192700), (656, 188000), (752, 164000), (800, 154160), (820, 150400), (940, 131200), (1000, 123328), (1025, 120320), (1175, 104960), (1280, 96350), (1312, 94000), (1504, 82000), (1600, 77080), (1640, 75200), (1880, 65600), (1927, 64000), (2000, 61664), (2050, 60160), (2350, 52480), (2560, 48175), (2624, 47000), (3008, 41000), (3200, 38540), (3280, 37600), (3760, 32800), (3854, 32000), (4000, 30832), (4100, 30080), (4700, 26240), (5125, 24064), (5248, 23500), (5875, 20992), (6016, 20500), (6400, 19270), (6560, 18800), (7520, 16400), (7708, 16000), (8000, 15416), (8200, 15040), (9400, 13120), (9635, 12800), (10250, 12032), (10496, 11750)]