19912711680

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{288089}}^1$

素因数の和:288121

約数の個数: 160

約数和(自身を含む): 70731856800

約数和(自身を除く): 50819145120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 11520, 13824, 17280, 23040, 34560, 69120, 288089, 576178, 864267, 1152356, 1440445, 1728534, 2304712, 2592801, 2880890, 3457068, 4321335, 4609424, 5185602, 5761780, 6914136, 7778403, 8642670, 9218848, 10371204, 11523560, 12964005, 13828272, 15556806, 17285340, 18437696, 20742408, 23047120, 25928010, 27656544, 31113612, 34570680, 36875392, 38892015, 41484816, 46094240, 51856020, 55313088, 62227224, 69141360, 73750784, 77784030, 82969632, 92188480, 103712040, 110626176, 124454448, 138282720, 147501568, 155568060, 165939264, 184376960, 207424080, 221252352, 248908896, 276565440, 311136120, 331878528, 368753920, 414848160, 442504704, 497817792, 553130880, 622272240, 663757056, 737507840, 829696320, 995635584, 1106261760, 1244544480, 1327514112, 1659392640, 1991271168, 2212523520, 2489088960, 3318785280, 3982542336, 4978177920, 6637570560, 9956355840, 19912711680]

約数ペア:

[(1, 19912711680), (2, 9956355840), (3, 6637570560), (4, 4978177920), (5, 3982542336), (6, 3318785280), (8, 2489088960), (9, 2212523520), (10, 1991271168), (12, 1659392640), (15, 1327514112), (16, 1244544480), (18, 1106261760), (20, 995635584), (24, 829696320), (27, 737507840), (30, 663757056), (32, 622272240), (36, 553130880), (40, 497817792), (45, 442504704), (48, 414848160), (54, 368753920), (60, 331878528), (64, 311136120), (72, 276565440), (80, 248908896), (90, 221252352), (96, 207424080), (108, 184376960), (120, 165939264), (128, 155568060), (135, 147501568), (144, 138282720), (160, 124454448), (180, 110626176), (192, 103712040), (216, 92188480), (240, 82969632), (256, 77784030), (270, 73750784), (288, 69141360), (320, 62227224), (360, 55313088), (384, 51856020), (432, 46094240), (480, 41484816), (512, 38892015), (540, 36875392), (576, 34570680), (640, 31113612), (720, 27656544), (768, 25928010), (864, 23047120), (960, 20742408), (1080, 18437696), (1152, 17285340), (1280, 15556806), (1440, 13828272), (1536, 12964005), (1728, 11523560), (1920, 10371204), (2160, 9218848), (2304, 8642670), (2560, 7778403), (2880, 6914136), (3456, 5761780), (3840, 5185602), (4320, 4609424), (4608, 4321335), (5760, 3457068), (6912, 2880890), (7680, 2592801), (8640, 2304712), (11520, 1728534), (13824, 1440445), (17280, 1152356), (23040, 864267), (34560, 576178), (69120, 288089)]