247941720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1770

約数の個数: 192

約数和(自身を含む): 896313600

約数和(自身を除く): 648371880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 52, 60, 62, 65, 72, 78, 90, 93, 104, 117, 120, 124, 130, 155, 156, 180, 186, 195, 234, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 520, 558, 585, 620, 744, 780, 806, 930, 936, 1116, 1170, 1209, 1240, 1395, 1560, 1612, 1709, 1860, 2015, 2232, 2340, 2418, 2790, 3224, 3418, 3627, 3720, 4030, 4680, 4836, 5127, 5580, 6045, 6836, 7254, 8060, 8545, 9672, 10254, 11160, 12090, 13672, 14508, 15381, 16120, 17090, 18135, 20508, 22217, 24180, 25635, 29016, 30762, 34180, 36270, 41016, 44434, 48360, 51270, 52979, 61524, 66651, 68360, 72540, 76905, 88868, 102540, 105958, 111085, 123048, 133302, 145080, 153810, 158937, 177736, 199953, 205080, 211916, 222170, 264895, 266604, 307620, 317874, 333255, 399906, 423832, 444340, 476811, 529790, 533208, 615240, 635748, 666510, 688727, 794685, 799812, 888680, 953622, 999765, 1059580, 1271496, 1333020, 1377454, 1589370, 1599624, 1907244, 1999530, 2066181, 2119160, 2384055, 2666040, 2754908, 3178740, 3443635, 3814488, 3999060, 4132362, 4768110, 5509816, 6198543, 6357480, 6887270, 7998120, 8264724, 9536220, 10330905, 12397086, 13774540, 16529448, 19072440, 20661810, 24794172, 27549080, 30992715, 41323620, 49588344, 61985430, 82647240, 123970860, 247941720]

約数ペア:

[(1, 247941720), (2, 123970860), (3, 82647240), (4, 61985430), (5, 49588344), (6, 41323620), (8, 30992715), (9, 27549080), (10, 24794172), (12, 20661810), (13, 19072440), (15, 16529448), (18, 13774540), (20, 12397086), (24, 10330905), (26, 9536220), (30, 8264724), (31, 7998120), (36, 6887270), (39, 6357480), (40, 6198543), (45, 5509816), (52, 4768110), (60, 4132362), (62, 3999060), (65, 3814488), (72, 3443635), (78, 3178740), (90, 2754908), (93, 2666040), (104, 2384055), (117, 2119160), (120, 2066181), (124, 1999530), (130, 1907244), (155, 1599624), (156, 1589370), (180, 1377454), (186, 1333020), (195, 1271496), (234, 1059580), (248, 999765), (260, 953622), (279, 888680), (310, 799812), (312, 794685), (360, 688727), (372, 666510), (390, 635748), (403, 615240), (465, 533208), (468, 529790), (520, 476811), (558, 444340), (585, 423832), (620, 399906), (744, 333255), (780, 317874), (806, 307620), (930, 266604), (936, 264895), (1116, 222170), (1170, 211916), (1209, 205080), (1240, 199953), (1395, 177736), (1560, 158937), (1612, 153810), (1709, 145080), (1860, 133302), (2015, 123048), (2232, 111085), (2340, 105958), (2418, 102540), (2790, 88868), (3224, 76905), (3418, 72540), (3627, 68360), (3720, 66651), (4030, 61524), (4680, 52979), (4836, 51270), (5127, 48360), (5580, 44434), (6045, 41016), (6836, 36270), (7254, 34180), (8060, 30762), (8545, 29016), (9672, 25635), (10254, 24180), (11160, 22217), (12090, 20508), (13672, 18135), (14508, 17090), (15381, 16120)]