261539460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2323

約数の個数: 216

約数和(自身を含む): 994285656

約数和(自身を除く): 732746196

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1820, 1911, 2205, 2281, 2340, 2548, 2730, 2940, 3185, 3276, 3822, 4095, 4410, 4562, 5460, 5733, 6370, 6843, 7644, 8190, 8820, 9124, 9555, 11405, 11466, 12740, 13686, 15967, 16380, 19110, 20529, 22810, 22932, 27372, 28665, 29653, 31934, 34215, 38220, 41058, 45620, 47901, 57330, 59306, 63868, 68430, 79835, 82116, 88959, 95802, 102645, 111769, 114660, 118612, 136860, 143703, 148265, 159670, 177918, 191604, 205290, 207571, 223538, 239505, 266877, 287406, 296530, 319340, 335307, 355836, 410580, 415142, 444795, 447076, 479010, 533754, 558845, 574812, 593060, 622713, 670614, 718515, 830284, 889590, 958020, 1005921, 1037855, 1067508, 1117690, 1245426, 1334385, 1341228, 1437030, 1452997, 1676535, 1779180, 1868139, 2011842, 2075710, 2235380, 2490852, 2668770, 2874060, 2905994, 3113565, 3353070, 3736278, 4023684, 4151420, 4358991, 5029605, 5337540, 5811988, 6227130, 6706140, 7264985, 7472556, 8717982, 9340695, 10059210, 12454260, 13076973, 14529970, 17435964, 18681390, 20118420, 21794955, 26153946, 29059940, 37362780, 43589910, 52307892, 65384865, 87179820, 130769730, 261539460]

約数ペア:

[(1, 261539460), (2, 130769730), (3, 87179820), (4, 65384865), (5, 52307892), (6, 43589910), (7, 37362780), (9, 29059940), (10, 26153946), (12, 21794955), (13, 20118420), (14, 18681390), (15, 17435964), (18, 14529970), (20, 13076973), (21, 12454260), (26, 10059210), (28, 9340695), (30, 8717982), (35, 7472556), (36, 7264985), (39, 6706140), (42, 6227130), (45, 5811988), (49, 5337540), (52, 5029605), (60, 4358991), (63, 4151420), (65, 4023684), (70, 3736278), (78, 3353070), (84, 3113565), (90, 2905994), (91, 2874060), (98, 2668770), (105, 2490852), (117, 2235380), (126, 2075710), (130, 2011842), (140, 1868139), (147, 1779180), (156, 1676535), (180, 1452997), (182, 1437030), (195, 1341228), (196, 1334385), (210, 1245426), (234, 1117690), (245, 1067508), (252, 1037855), (260, 1005921), (273, 958020), (294, 889590), (315, 830284), (364, 718515), (390, 670614), (420, 622713), (441, 593060), (455, 574812), (468, 558845), (490, 533754), (546, 479010), (585, 447076), (588, 444795), (630, 415142), (637, 410580), (735, 355836), (780, 335307), (819, 319340), (882, 296530), (910, 287406), (980, 266877), (1092, 239505), (1170, 223538), (1260, 207571), (1274, 205290), (1365, 191604), (1470, 177918), (1638, 159670), (1764, 148265), (1820, 143703), (1911, 136860), (2205, 118612), (2281, 114660), (2340, 111769), (2548, 102645), (2730, 95802), (2940, 88959), (3185, 82116), (3276, 79835), (3822, 68430), (4095, 63868), (4410, 59306), (4562, 57330), (5460, 47901), (5733, 45620), (6370, 41058), (6843, 38220), (7644, 34215), (8190, 31934), (8820, 29653), (9124, 28665), (9555, 27372), (11405, 22932), (11466, 22810), (12740, 20529), (13686, 19110), (15967, 16380)]