78890880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2417}}^1$

素因数の和:2456

約数の個数: 128

約数和(自身を含む): 266366880

約数和(自身を除く): 187476000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2417, 2720, 3264, 4080, 4834, 5440, 6528, 7251, 8160, 9668, 10880, 12085, 14502, 16320, 19336, 24170, 29004, 32640, 36255, 38672, 41089, 48340, 58008, 72510, 77344, 82178, 96680, 116016, 123267, 145020, 154688, 164356, 193360, 205445, 232032, 246534, 290040, 309376, 328712, 386720, 410890, 464064, 493068, 580080, 616335, 657424, 773440, 821780, 928128, 986136, 1160160, 1232670, 1314848, 1546880, 1643560, 1972272, 2320320, 2465340, 2629696, 3287120, 3944544, 4640640, 4930680, 5259392, 6574240, 7889088, 9861360, 13148480, 15778176, 19722720, 26296960, 39445440, 78890880]

約数ペア:

[(1, 78890880), (2, 39445440), (3, 26296960), (4, 19722720), (5, 15778176), (6, 13148480), (8, 9861360), (10, 7889088), (12, 6574240), (15, 5259392), (16, 4930680), (17, 4640640), (20, 3944544), (24, 3287120), (30, 2629696), (32, 2465340), (34, 2320320), (40, 1972272), (48, 1643560), (51, 1546880), (60, 1314848), (64, 1232670), (68, 1160160), (80, 986136), (85, 928128), (96, 821780), (102, 773440), (120, 657424), (128, 616335), (136, 580080), (160, 493068), (170, 464064), (192, 410890), (204, 386720), (240, 328712), (255, 309376), (272, 290040), (320, 246534), (340, 232032), (384, 205445), (408, 193360), (480, 164356), (510, 154688), (544, 145020), (640, 123267), (680, 116016), (816, 96680), (960, 82178), (1020, 77344), (1088, 72510), (1360, 58008), (1632, 48340), (1920, 41089), (2040, 38672), (2176, 36255), (2417, 32640), (2720, 29004), (3264, 24170), (4080, 19336), (4834, 16320), (5440, 14502), (6528, 12085), (7251, 10880), (8160, 9668)]