261827280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2543}}^1$

素因数の和:2586

約数の個数: 240

約数和(自身を含む): 1033433856

約数和(自身を除く): 771606576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 528, 572, 585, 624, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1144, 1170, 1287, 1320, 1430, 1560, 1584, 1716, 1872, 1980, 2145, 2288, 2340, 2543, 2574, 2640, 2860, 3120, 3432, 3960, 4290, 4680, 5086, 5148, 5720, 6435, 6864, 7629, 7920, 8580, 9360, 10172, 10296, 11440, 12715, 12870, 15258, 17160, 20344, 20592, 22887, 25430, 25740, 27973, 30516, 33059, 34320, 38145, 40688, 45774, 50860, 51480, 55946, 61032, 66118, 76290, 83919, 91548, 99177, 101720, 102960, 111892, 114435, 122064, 132236, 139865, 152580, 165295, 167838, 183096, 198354, 203440, 223784, 228870, 251757, 264472, 279730, 297531, 305160, 330590, 335676, 363649, 366192, 396708, 419595, 447568, 457740, 495885, 503514, 528944, 559460, 595062, 610320, 661180, 671352, 727298, 793416, 839190, 915480, 991770, 1007028, 1090947, 1118920, 1190124, 1258785, 1322360, 1342704, 1454596, 1487655, 1586832, 1678380, 1818245, 1830960, 1983540, 2014056, 2181894, 2237840, 2380248, 2517570, 2644720, 2909192, 2975310, 3272841, 3356760, 3636490, 3967080, 4028112, 4363788, 4760496, 5035140, 5454735, 5818384, 5950620, 6545682, 6713520, 7272980, 7934160, 8727576, 10070280, 10909470, 11901240, 13091364, 14545960, 16364205, 17455152, 20140560, 21818940, 23802480, 26182728, 29091920, 32728410, 43637880, 52365456, 65456820, 87275760, 130913640, 261827280]

約数ペア:

[(1, 261827280), (2, 130913640), (3, 87275760), (4, 65456820), (5, 52365456), (6, 43637880), (8, 32728410), (9, 29091920), (10, 26182728), (11, 23802480), (12, 21818940), (13, 20140560), (15, 17455152), (16, 16364205), (18, 14545960), (20, 13091364), (22, 11901240), (24, 10909470), (26, 10070280), (30, 8727576), (33, 7934160), (36, 7272980), (39, 6713520), (40, 6545682), (44, 5950620), (45, 5818384), (48, 5454735), (52, 5035140), (55, 4760496), (60, 4363788), (65, 4028112), (66, 3967080), (72, 3636490), (78, 3356760), (80, 3272841), (88, 2975310), (90, 2909192), (99, 2644720), (104, 2517570), (110, 2380248), (117, 2237840), (120, 2181894), (130, 2014056), (132, 1983540), (143, 1830960), (144, 1818245), (156, 1678380), (165, 1586832), (176, 1487655), (180, 1454596), (195, 1342704), (198, 1322360), (208, 1258785), (220, 1190124), (234, 1118920), (240, 1090947), (260, 1007028), (264, 991770), (286, 915480), (312, 839190), (330, 793416), (360, 727298), (390, 671352), (396, 661180), (429, 610320), (440, 595062), (468, 559460), (495, 528944), (520, 503514), (528, 495885), (572, 457740), (585, 447568), (624, 419595), (660, 396708), (715, 366192), (720, 363649), (780, 335676), (792, 330590), (858, 305160), (880, 297531), (936, 279730), (990, 264472), (1040, 251757), (1144, 228870), (1170, 223784), (1287, 203440), (1320, 198354), (1430, 183096), (1560, 167838), (1584, 165295), (1716, 152580), (1872, 139865), (1980, 132236), (2145, 122064), (2288, 114435), (2340, 111892), (2543, 102960), (2574, 101720), (2640, 99177), (2860, 91548), (3120, 83919), (3432, 76290), (3960, 66118), (4290, 61032), (4680, 55946), (5086, 51480), (5148, 50860), (5720, 45774), (6435, 40688), (6864, 38145), (7629, 34320), (7920, 33059), (8580, 30516), (9360, 27973), (10172, 25740), (10296, 25430), (11440, 22887), (12715, 20592), (12870, 20344), (15258, 17160)]