1988825280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159361}}^1$

素因数の和:159394

約数の個数: 112

約数和(自身を含む): 6800295264

約数和(自身を除く): 4811469984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 159361, 318722, 478083, 637444, 796805, 956166, 1274888, 1593610, 1912332, 2071693, 2390415, 2549776, 3187220, 3824664, 4143386, 4780830, 5099552, 6215079, 6374440, 7649328, 8286772, 9561660, 10199104, 10358465, 12430158, 12748880, 15298656, 16573544, 19123320, 20716930, 24860316, 25497760, 30597312, 31075395, 33147088, 38246640, 41433860, 49720632, 50995520, 62150790, 66294176, 76493280, 82867720, 99441264, 124301580, 132588352, 152986560, 165735440, 198882528, 248603160, 331470880, 397765056, 497206320, 662941760, 994412640, 1988825280]

約数ペア:

[(1, 1988825280), (2, 994412640), (3, 662941760), (4, 497206320), (5, 397765056), (6, 331470880), (8, 248603160), (10, 198882528), (12, 165735440), (13, 152986560), (15, 132588352), (16, 124301580), (20, 99441264), (24, 82867720), (26, 76493280), (30, 66294176), (32, 62150790), (39, 50995520), (40, 49720632), (48, 41433860), (52, 38246640), (60, 33147088), (64, 31075395), (65, 30597312), (78, 25497760), (80, 24860316), (96, 20716930), (104, 19123320), (120, 16573544), (130, 15298656), (156, 12748880), (160, 12430158), (192, 10358465), (195, 10199104), (208, 9561660), (240, 8286772), (260, 7649328), (312, 6374440), (320, 6215079), (390, 5099552), (416, 4780830), (480, 4143386), (520, 3824664), (624, 3187220), (780, 2549776), (832, 2390415), (960, 2071693), (1040, 1912332), (1248, 1593610), (1560, 1274888), (2080, 956166), (2496, 796805), (3120, 637444), (4160, 478083), (6240, 318722), (12480, 159361)]