251296128

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 256

約数和(自身を含む): 807840000

約数和(自身を除く): 556543872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 43, 48, 54, 57, 64, 72, 76, 86, 89, 96, 108, 114, 128, 129, 144, 152, 171, 172, 178, 192, 216, 228, 258, 267, 288, 304, 342, 344, 356, 384, 387, 432, 456, 513, 516, 534, 576, 608, 684, 688, 712, 774, 801, 817, 864, 912, 1026, 1032, 1068, 1152, 1161, 1216, 1368, 1376, 1424, 1548, 1602, 1634, 1691, 1728, 1824, 2052, 2064, 2136, 2322, 2403, 2432, 2451, 2736, 2752, 2848, 3096, 3204, 3268, 3382, 3456, 3648, 3827, 4104, 4128, 4272, 4644, 4806, 4902, 5073, 5472, 5504, 5696, 6192, 6408, 6536, 6764, 7296, 7353, 7654, 8208, 8256, 8544, 9288, 9612, 9804, 10146, 10944, 11392, 11481, 12384, 12816, 13072, 13528, 14706, 15219, 15308, 16416, 16512, 17088, 18576, 19224, 19608, 20292, 21888, 22059, 22962, 24768, 25632, 26144, 27056, 29412, 30438, 30616, 32832, 34176, 34443, 37152, 38448, 39216, 40584, 44118, 45657, 45924, 49536, 51264, 52288, 54112, 58824, 60876, 61232, 65664, 68886, 72713, 74304, 76896, 78432, 81168, 88236, 91314, 91848, 102528, 103329, 104576, 108224, 117648, 121752, 122464, 137772, 145426, 148608, 153792, 156864, 162336, 176472, 182628, 183696, 206658, 216448, 218139, 235296, 243504, 244928, 275544, 290852, 307584, 313728, 324672, 352944, 365256, 367392, 413316, 436278, 470592, 487008, 489856, 551088, 581704, 649344, 654417, 705888, 730512, 734784, 826632, 872556, 941184, 974016, 1102176, 1163408, 1308834, 1411776, 1461024, 1469568, 1653264, 1745112, 1948032, 1963251, 2204352, 2326816, 2617668, 2823552, 2922048, 3306528, 3490224, 3926502, 4408704, 4653632, 5235336, 5844096, 6613056, 6980448, 7853004, 9307264, 10470672, 13226112, 13960896, 15706008, 20941344, 27921792, 31412016, 41882688, 62824032, 83765376, 125648064, 251296128]

約数ペア:

[(1, 251296128), (2, 125648064), (3, 83765376), (4, 62824032), (6, 41882688), (8, 31412016), (9, 27921792), (12, 20941344), (16, 15706008), (18, 13960896), (19, 13226112), (24, 10470672), (27, 9307264), (32, 7853004), (36, 6980448), (38, 6613056), (43, 5844096), (48, 5235336), (54, 4653632), (57, 4408704), (64, 3926502), (72, 3490224), (76, 3306528), (86, 2922048), (89, 2823552), (96, 2617668), (108, 2326816), (114, 2204352), (128, 1963251), (129, 1948032), (144, 1745112), (152, 1653264), (171, 1469568), (172, 1461024), (178, 1411776), (192, 1308834), (216, 1163408), (228, 1102176), (258, 974016), (267, 941184), (288, 872556), (304, 826632), (342, 734784), (344, 730512), (356, 705888), (384, 654417), (387, 649344), (432, 581704), (456, 551088), (513, 489856), (516, 487008), (534, 470592), (576, 436278), (608, 413316), (684, 367392), (688, 365256), (712, 352944), (774, 324672), (801, 313728), (817, 307584), (864, 290852), (912, 275544), (1026, 244928), (1032, 243504), (1068, 235296), (1152, 218139), (1161, 216448), (1216, 206658), (1368, 183696), (1376, 182628), (1424, 176472), (1548, 162336), (1602, 156864), (1634, 153792), (1691, 148608), (1728, 145426), (1824, 137772), (2052, 122464), (2064, 121752), (2136, 117648), (2322, 108224), (2403, 104576), (2432, 103329), (2451, 102528), (2736, 91848), (2752, 91314), (2848, 88236), (3096, 81168), (3204, 78432), (3268, 76896), (3382, 74304), (3456, 72713), (3648, 68886), (3827, 65664), (4104, 61232), (4128, 60876), (4272, 58824), (4644, 54112), (4806, 52288), (4902, 51264), (5073, 49536), (5472, 45924), (5504, 45657), (5696, 44118), (6192, 40584), (6408, 39216), (6536, 38448), (6764, 37152), (7296, 34443), (7353, 34176), (7654, 32832), (8208, 30616), (8256, 30438), (8544, 29412), (9288, 27056), (9612, 26144), (9804, 25632), (10146, 24768), (10944, 22962), (11392, 22059), (11481, 21888), (12384, 20292), (12816, 19608), (13072, 19224), (13528, 18576), (14706, 17088), (15219, 16512), (15308, 16416)]