312323760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2056

約数の個数: 240

約数和(自身を含む): 1238016000

約数和(自身を除く): 925692240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 1999, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 3998, 4340, 4464, 5040, 5208, 5580, 5997, 6510, 7440, 7812, 7996, 8680, 9765, 9995, 10416, 11160, 11994, 13020, 13993, 15624, 15992, 17360, 17991, 19530, 19990, 22320, 23988, 26040, 27986, 29985, 31248, 31984, 35982, 39060, 39980, 41979, 47976, 52080, 55972, 59970, 61969, 69965, 71964, 78120, 79960, 83958, 89955, 95952, 111944, 119940, 123938, 125937, 139930, 143928, 156240, 159920, 167916, 179910, 185907, 209895, 223888, 239880, 247876, 251874, 279860, 287856, 309845, 335832, 359820, 371814, 419790, 433783, 479760, 495752, 503748, 557721, 559720, 619690, 629685, 671664, 719640, 743628, 839580, 867566, 929535, 991504, 1007496, 1115442, 1119440, 1239380, 1259370, 1301349, 1439280, 1487256, 1679160, 1735132, 1859070, 2014992, 2168915, 2230884, 2478760, 2518740, 2602698, 2788605, 2974512, 3358320, 3470264, 3718140, 3904047, 4337830, 4461768, 4957520, 5037480, 5205396, 5577210, 6506745, 6940528, 7436280, 7808094, 8675660, 8923536, 10074960, 10410792, 11154420, 13013490, 14872560, 15616188, 17351320, 19520235, 20821584, 22308840, 26026980, 31232376, 34702640, 39040470, 44617680, 52053960, 62464752, 78080940, 104107920, 156161880, 312323760]

約数ペア:

[(1, 312323760), (2, 156161880), (3, 104107920), (4, 78080940), (5, 62464752), (6, 52053960), (7, 44617680), (8, 39040470), (9, 34702640), (10, 31232376), (12, 26026980), (14, 22308840), (15, 20821584), (16, 19520235), (18, 17351320), (20, 15616188), (21, 14872560), (24, 13013490), (28, 11154420), (30, 10410792), (31, 10074960), (35, 8923536), (36, 8675660), (40, 7808094), (42, 7436280), (45, 6940528), (48, 6506745), (56, 5577210), (60, 5205396), (62, 5037480), (63, 4957520), (70, 4461768), (72, 4337830), (80, 3904047), (84, 3718140), (90, 3470264), (93, 3358320), (105, 2974512), (112, 2788605), (120, 2602698), (124, 2518740), (126, 2478760), (140, 2230884), (144, 2168915), (155, 2014992), (168, 1859070), (180, 1735132), (186, 1679160), (210, 1487256), (217, 1439280), (240, 1301349), (248, 1259370), (252, 1239380), (279, 1119440), (280, 1115442), (310, 1007496), (315, 991504), (336, 929535), (360, 867566), (372, 839580), (420, 743628), (434, 719640), (465, 671664), (496, 629685), (504, 619690), (558, 559720), (560, 557721), (620, 503748), (630, 495752), (651, 479760), (720, 433783), (744, 419790), (840, 371814), (868, 359820), (930, 335832), (1008, 309845), (1085, 287856), (1116, 279860), (1240, 251874), (1260, 247876), (1302, 239880), (1395, 223888), (1488, 209895), (1680, 185907), (1736, 179910), (1860, 167916), (1953, 159920), (1999, 156240), (2170, 143928), (2232, 139930), (2480, 125937), (2520, 123938), (2604, 119940), (2790, 111944), (3255, 95952), (3472, 89955), (3720, 83958), (3906, 79960), (3998, 78120), (4340, 71964), (4464, 69965), (5040, 61969), (5208, 59970), (5580, 55972), (5997, 52080), (6510, 47976), (7440, 41979), (7812, 39980), (7996, 39060), (8680, 35982), (9765, 31984), (9995, 31248), (10416, 29985), (11160, 27986), (11994, 26040), (13020, 23988), (13993, 22320), (15624, 19990), (15992, 19530), (17360, 17991)]