257813010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1542

約数の個数: 192

約数和(自身を含む): 861840000

約数和(自身を除く): 604026990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 49, 54, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 135, 147, 182, 189, 195, 210, 234, 245, 270, 273, 294, 315, 351, 378, 390, 441, 455, 490, 546, 585, 630, 637, 702, 735, 819, 882, 910, 945, 1170, 1274, 1323, 1365, 1470, 1499, 1638, 1755, 1890, 1911, 2205, 2457, 2646, 2730, 2998, 3185, 3510, 3822, 4095, 4410, 4497, 4914, 5733, 6370, 6615, 7495, 8190, 8994, 9555, 10493, 11466, 12285, 13230, 13491, 14990, 17199, 19110, 19487, 20986, 22485, 24570, 26982, 28665, 31479, 34398, 38974, 40473, 44970, 52465, 57330, 58461, 62958, 67455, 73451, 80946, 85995, 94437, 97435, 104930, 116922, 134910, 136409, 146902, 157395, 171990, 175383, 188874, 194870, 202365, 220353, 272818, 283311, 292305, 314790, 350766, 367255, 404730, 409227, 440706, 472185, 526149, 566622, 584610, 661059, 682045, 734510, 818454, 876915, 944370, 954863, 1052298, 1101765, 1227681, 1322118, 1364090, 1416555, 1753830, 1909726, 1983177, 2046135, 2203530, 2455362, 2630745, 2833110, 2864589, 3305295, 3683043, 3966354, 4092270, 4774315, 5261490, 5729178, 6138405, 6610590, 7366086, 8593767, 9548630, 9915885, 12276810, 14322945, 17187534, 18415215, 19831770, 25781301, 28645890, 36830430, 42968835, 51562602, 85937670, 128906505, 257813010]

約数ペア:

[(1, 257813010), (2, 128906505), (3, 85937670), (5, 51562602), (6, 42968835), (7, 36830430), (9, 28645890), (10, 25781301), (13, 19831770), (14, 18415215), (15, 17187534), (18, 14322945), (21, 12276810), (26, 9915885), (27, 9548630), (30, 8593767), (35, 7366086), (39, 6610590), (42, 6138405), (45, 5729178), (49, 5261490), (54, 4774315), (63, 4092270), (65, 3966354), (70, 3683043), (78, 3305295), (90, 2864589), (91, 2833110), (98, 2630745), (105, 2455362), (117, 2203530), (126, 2046135), (130, 1983177), (135, 1909726), (147, 1753830), (182, 1416555), (189, 1364090), (195, 1322118), (210, 1227681), (234, 1101765), (245, 1052298), (270, 954863), (273, 944370), (294, 876915), (315, 818454), (351, 734510), (378, 682045), (390, 661059), (441, 584610), (455, 566622), (490, 526149), (546, 472185), (585, 440706), (630, 409227), (637, 404730), (702, 367255), (735, 350766), (819, 314790), (882, 292305), (910, 283311), (945, 272818), (1170, 220353), (1274, 202365), (1323, 194870), (1365, 188874), (1470, 175383), (1499, 171990), (1638, 157395), (1755, 146902), (1890, 136409), (1911, 134910), (2205, 116922), (2457, 104930), (2646, 97435), (2730, 94437), (2998, 85995), (3185, 80946), (3510, 73451), (3822, 67455), (4095, 62958), (4410, 58461), (4497, 57330), (4914, 52465), (5733, 44970), (6370, 40473), (6615, 38974), (7495, 34398), (8190, 31479), (8994, 28665), (9555, 26982), (10493, 24570), (11466, 22485), (12285, 20986), (13230, 19487), (13491, 19110), (14990, 17199)]