261864720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:410

約数の個数: 240

約数和(自身を含む): 959907312

約数和(自身を除く): 698042592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 101, 104, 117, 120, 130, 144, 156, 180, 195, 202, 208, 234, 240, 260, 277, 303, 312, 360, 390, 404, 468, 505, 520, 554, 585, 606, 624, 720, 780, 808, 831, 909, 936, 1010, 1040, 1108, 1170, 1212, 1313, 1385, 1515, 1560, 1616, 1662, 1818, 1872, 2020, 2216, 2340, 2424, 2493, 2626, 2770, 3030, 3120, 3324, 3601, 3636, 3939, 4040, 4155, 4432, 4545, 4680, 4848, 4986, 5252, 5540, 6060, 6565, 6648, 7202, 7272, 7878, 8080, 8310, 9090, 9360, 9972, 10504, 10803, 11080, 11817, 12120, 12465, 13130, 13296, 14404, 14544, 15756, 16620, 18005, 18180, 19695, 19944, 21008, 21606, 22160, 23634, 24240, 24930, 26260, 27977, 28808, 31512, 32409, 33240, 36010, 36360, 39390, 39888, 43212, 47268, 49860, 52520, 54015, 55954, 57616, 59085, 63024, 64818, 66480, 72020, 72720, 78780, 83931, 86424, 94536, 99720, 105040, 108030, 111908, 118170, 129636, 139885, 144040, 157560, 162045, 167862, 172848, 189072, 199440, 216060, 223816, 236340, 251793, 259272, 279770, 288080, 315120, 324090, 335724, 363701, 419655, 432120, 447632, 472680, 503586, 518544, 559540, 648180, 671448, 727402, 839310, 864240, 945360, 1007172, 1091103, 1119080, 1258965, 1296360, 1342896, 1454804, 1678620, 1818505, 2014344, 2182206, 2238160, 2517930, 2592720, 2909608, 3273309, 3357240, 3637010, 4028688, 4364412, 5035860, 5455515, 5819216, 6546618, 6714480, 7274020, 8728824, 10071720, 10911030, 13093236, 14548040, 16366545, 17457648, 20143440, 21822060, 26186472, 29096080, 32733090, 43644120, 52372944, 65466180, 87288240, 130932360, 261864720]

約数ペア:

[(1, 261864720), (2, 130932360), (3, 87288240), (4, 65466180), (5, 52372944), (6, 43644120), (8, 32733090), (9, 29096080), (10, 26186472), (12, 21822060), (13, 20143440), (15, 17457648), (16, 16366545), (18, 14548040), (20, 13093236), (24, 10911030), (26, 10071720), (30, 8728824), (36, 7274020), (39, 6714480), (40, 6546618), (45, 5819216), (48, 5455515), (52, 5035860), (60, 4364412), (65, 4028688), (72, 3637010), (78, 3357240), (80, 3273309), (90, 2909608), (101, 2592720), (104, 2517930), (117, 2238160), (120, 2182206), (130, 2014344), (144, 1818505), (156, 1678620), (180, 1454804), (195, 1342896), (202, 1296360), (208, 1258965), (234, 1119080), (240, 1091103), (260, 1007172), (277, 945360), (303, 864240), (312, 839310), (360, 727402), (390, 671448), (404, 648180), (468, 559540), (505, 518544), (520, 503586), (554, 472680), (585, 447632), (606, 432120), (624, 419655), (720, 363701), (780, 335724), (808, 324090), (831, 315120), (909, 288080), (936, 279770), (1010, 259272), (1040, 251793), (1108, 236340), (1170, 223816), (1212, 216060), (1313, 199440), (1385, 189072), (1515, 172848), (1560, 167862), (1616, 162045), (1662, 157560), (1818, 144040), (1872, 139885), (2020, 129636), (2216, 118170), (2340, 111908), (2424, 108030), (2493, 105040), (2626, 99720), (2770, 94536), (3030, 86424), (3120, 83931), (3324, 78780), (3601, 72720), (3636, 72020), (3939, 66480), (4040, 64818), (4155, 63024), (4432, 59085), (4545, 57616), (4680, 55954), (4848, 54015), (4986, 52520), (5252, 49860), (5540, 47268), (6060, 43212), (6565, 39888), (6648, 39390), (7202, 36360), (7272, 36010), (7878, 33240), (8080, 32409), (8310, 31512), (9090, 28808), (9360, 27977), (9972, 26260), (10504, 24930), (10803, 24240), (11080, 23634), (11817, 22160), (12120, 21606), (12465, 21008), (13130, 19944), (13296, 19695), (14404, 18180), (14544, 18005), (15756, 16620)]