15858281880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{202999}}^1$

素因数の和:203054

約数の個数: 192

約数和(自身を含む): 60802560000

約数和(自身を除く): 44944278120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 13020, 15624, 19530, 26040, 39060, 78120, 202999, 405998, 608997, 811996, 1014995, 1217994, 1420993, 1623992, 1826991, 2029990, 2435988, 2841986, 3044985, 3653982, 4059980, 4262979, 4871976, 5683972, 6089970, 6292969, 7104965, 7307964, 8119960, 8525958, 9134955, 11367944, 12179940, 12585938, 12788937, 14209930, 14615928, 17051916, 18269910, 18878907, 21314895, 24359880, 25171876, 25577874, 28419860, 31464845, 34103832, 36539820, 37757814, 42629790, 44050783, 50343752, 51155748, 56636721, 56839720, 62929690, 63944685, 73079640, 75515628, 85259580, 88101566, 94394535, 102311496, 113273442, 125859380, 127889370, 132152349, 151031256, 170519160, 176203132, 188789070, 220253915, 226546884, 251718760, 255778740, 264304698, 283183605, 352406264, 377578140, 396457047, 440507830, 453093768, 511557480, 528609396, 566367210, 660761745, 755156280, 792914094, 881015660, 1057218792, 1132734420, 1321523490, 1585828188, 1762031320, 1982285235, 2265468840, 2643046980, 3171656376, 3964570470, 5286093960, 7929140940, 15858281880]

約数ペア:

[(1, 15858281880), (2, 7929140940), (3, 5286093960), (4, 3964570470), (5, 3171656376), (6, 2643046980), (7, 2265468840), (8, 1982285235), (9, 1762031320), (10, 1585828188), (12, 1321523490), (14, 1132734420), (15, 1057218792), (18, 881015660), (20, 792914094), (21, 755156280), (24, 660761745), (28, 566367210), (30, 528609396), (31, 511557480), (35, 453093768), (36, 440507830), (40, 396457047), (42, 377578140), (45, 352406264), (56, 283183605), (60, 264304698), (62, 255778740), (63, 251718760), (70, 226546884), (72, 220253915), (84, 188789070), (90, 176203132), (93, 170519160), (105, 151031256), (120, 132152349), (124, 127889370), (126, 125859380), (140, 113273442), (155, 102311496), (168, 94394535), (180, 88101566), (186, 85259580), (210, 75515628), (217, 73079640), (248, 63944685), (252, 62929690), (279, 56839720), (280, 56636721), (310, 51155748), (315, 50343752), (360, 44050783), (372, 42629790), (420, 37757814), (434, 36539820), (465, 34103832), (504, 31464845), (558, 28419860), (620, 25577874), (630, 25171876), (651, 24359880), (744, 21314895), (840, 18878907), (868, 18269910), (930, 17051916), (1085, 14615928), (1116, 14209930), (1240, 12788937), (1260, 12585938), (1302, 12179940), (1395, 11367944), (1736, 9134955), (1860, 8525958), (1953, 8119960), (2170, 7307964), (2232, 7104965), (2520, 6292969), (2604, 6089970), (2790, 5683972), (3255, 4871976), (3720, 4262979), (3906, 4059980), (4340, 3653982), (5208, 3044985), (5580, 2841986), (6510, 2435988), (7812, 2029990), (8680, 1826991), (9765, 1623992), (11160, 1420993), (13020, 1217994), (15624, 1014995), (19530, 811996), (26040, 608997), (39060, 405998), (78120, 202999)]