251737920

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{12487}}^1$

素因数の和:12517

約数の個数: 168

約数和(自身を含む): 989649024

約数和(自身を除く): 737911104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 12487, 20160, 24974, 37461, 49948, 62435, 74922, 87409, 99896, 112383, 124870, 149844, 174818, 187305, 199792, 224766, 249740, 262227, 299688, 349636, 374610, 399584, 437045, 449532, 499480, 524454, 561915, 599376, 699272, 749220, 786681, 799168, 874090, 899064, 998960, 1048908, 1123830, 1198752, 1311135, 1398544, 1498440, 1573362, 1748180, 1798128, 1997920, 2097816, 2247660, 2397504, 2622270, 2797088, 2996880, 3146724, 3496360, 3596256, 3933405, 3995840, 4195632, 4495320, 5244540, 5594176, 5993760, 6293448, 6992720, 7192512, 7866810, 8391264, 8990640, 10489080, 11987520, 12586896, 13985440, 15733620, 16782528, 17981280, 20978160, 25173792, 27970880, 31467240, 35962560, 41956320, 50347584, 62934480, 83912640, 125868960, 251737920]

約数ペア:

[(1, 251737920), (2, 125868960), (3, 83912640), (4, 62934480), (5, 50347584), (6, 41956320), (7, 35962560), (8, 31467240), (9, 27970880), (10, 25173792), (12, 20978160), (14, 17981280), (15, 16782528), (16, 15733620), (18, 13985440), (20, 12586896), (21, 11987520), (24, 10489080), (28, 8990640), (30, 8391264), (32, 7866810), (35, 7192512), (36, 6992720), (40, 6293448), (42, 5993760), (45, 5594176), (48, 5244540), (56, 4495320), (60, 4195632), (63, 3995840), (64, 3933405), (70, 3596256), (72, 3496360), (80, 3146724), (84, 2996880), (90, 2797088), (96, 2622270), (105, 2397504), (112, 2247660), (120, 2097816), (126, 1997920), (140, 1798128), (144, 1748180), (160, 1573362), (168, 1498440), (180, 1398544), (192, 1311135), (210, 1198752), (224, 1123830), (240, 1048908), (252, 998960), (280, 899064), (288, 874090), (315, 799168), (320, 786681), (336, 749220), (360, 699272), (420, 599376), (448, 561915), (480, 524454), (504, 499480), (560, 449532), (576, 437045), (630, 399584), (672, 374610), (720, 349636), (840, 299688), (960, 262227), (1008, 249740), (1120, 224766), (1260, 199792), (1344, 187305), (1440, 174818), (1680, 149844), (2016, 124870), (2240, 112383), (2520, 99896), (2880, 87409), (3360, 74922), (4032, 62435), (5040, 49948), (6720, 37461), (10080, 24974), (12487, 20160)]