245397240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2058

約数の個数: 192

約数和(自身を含む): 898560000

約数和(自身を除く): 653162760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 60, 62, 66, 72, 88, 90, 93, 99, 110, 120, 124, 132, 155, 165, 180, 186, 198, 220, 248, 264, 279, 310, 330, 341, 360, 372, 396, 440, 465, 495, 558, 620, 660, 682, 744, 792, 930, 990, 1023, 1116, 1240, 1320, 1364, 1395, 1705, 1860, 1980, 1999, 2046, 2232, 2728, 2790, 3069, 3410, 3720, 3960, 3998, 4092, 5115, 5580, 5997, 6138, 6820, 7996, 8184, 9995, 10230, 11160, 11994, 12276, 13640, 15345, 15992, 17991, 19990, 20460, 21989, 23988, 24552, 29985, 30690, 35982, 39980, 40920, 43978, 47976, 59970, 61380, 61969, 65967, 71964, 79960, 87956, 89955, 109945, 119940, 122760, 123938, 131934, 143928, 175912, 179910, 185907, 197901, 219890, 239880, 247876, 263868, 309845, 329835, 359820, 371814, 395802, 439780, 495752, 527736, 557721, 619690, 659670, 681659, 719640, 743628, 791604, 879560, 929535, 989505, 1115442, 1239380, 1319340, 1363318, 1487256, 1583208, 1859070, 1979010, 2044977, 2230884, 2478760, 2638680, 2726636, 2788605, 3408295, 3718140, 3958020, 4089954, 4461768, 5453272, 5577210, 6134931, 6816590, 7436280, 7916040, 8179908, 10224885, 11154420, 12269862, 13633180, 16359816, 20449770, 22308840, 24539724, 27266360, 30674655, 40899540, 49079448, 61349310, 81799080, 122698620, 245397240]

約数ペア:

[(1, 245397240), (2, 122698620), (3, 81799080), (4, 61349310), (5, 49079448), (6, 40899540), (8, 30674655), (9, 27266360), (10, 24539724), (11, 22308840), (12, 20449770), (15, 16359816), (18, 13633180), (20, 12269862), (22, 11154420), (24, 10224885), (30, 8179908), (31, 7916040), (33, 7436280), (36, 6816590), (40, 6134931), (44, 5577210), (45, 5453272), (55, 4461768), (60, 4089954), (62, 3958020), (66, 3718140), (72, 3408295), (88, 2788605), (90, 2726636), (93, 2638680), (99, 2478760), (110, 2230884), (120, 2044977), (124, 1979010), (132, 1859070), (155, 1583208), (165, 1487256), (180, 1363318), (186, 1319340), (198, 1239380), (220, 1115442), (248, 989505), (264, 929535), (279, 879560), (310, 791604), (330, 743628), (341, 719640), (360, 681659), (372, 659670), (396, 619690), (440, 557721), (465, 527736), (495, 495752), (558, 439780), (620, 395802), (660, 371814), (682, 359820), (744, 329835), (792, 309845), (930, 263868), (990, 247876), (1023, 239880), (1116, 219890), (1240, 197901), (1320, 185907), (1364, 179910), (1395, 175912), (1705, 143928), (1860, 131934), (1980, 123938), (1999, 122760), (2046, 119940), (2232, 109945), (2728, 89955), (2790, 87956), (3069, 79960), (3410, 71964), (3720, 65967), (3960, 61969), (3998, 61380), (4092, 59970), (5115, 47976), (5580, 43978), (5997, 40920), (6138, 39980), (6820, 35982), (7996, 30690), (8184, 29985), (9995, 24552), (10230, 23988), (11160, 21989), (11994, 20460), (12276, 19990), (13640, 17991), (15345, 15992)]