309520120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:286

約数の個数: 192

約数和(自身を含む): 893859840

約数和(自身を除く): 584339720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 169, 182, 211, 217, 248, 260, 280, 310, 338, 364, 403, 422, 434, 455, 520, 620, 676, 728, 806, 844, 845, 868, 910, 1055, 1085, 1183, 1240, 1352, 1477, 1612, 1688, 1690, 1736, 1820, 2015, 2110, 2170, 2366, 2743, 2821, 2954, 3224, 3380, 3640, 4030, 4220, 4340, 4732, 5239, 5486, 5642, 5908, 5915, 6541, 6760, 7385, 8060, 8440, 8680, 9464, 10478, 10972, 11284, 11816, 11830, 13082, 13715, 14105, 14770, 16120, 19201, 20956, 21944, 22568, 23660, 26164, 26195, 27430, 28210, 29540, 32705, 35659, 36673, 38402, 41912, 45787, 47320, 52328, 52390, 54860, 56420, 59080, 65410, 71318, 73346, 76804, 85033, 91574, 96005, 104780, 109720, 112840, 130820, 142636, 146692, 153608, 170066, 178295, 183148, 183365, 192010, 209560, 228935, 249613, 261640, 285272, 293384, 340132, 356590, 366296, 366730, 384020, 425165, 457870, 499226, 595231, 680264, 713180, 733460, 768040, 850330, 915740, 998452, 1105429, 1190462, 1248065, 1426360, 1466920, 1700660, 1831480, 1996904, 2210858, 2380924, 2496130, 2976155, 3401320, 4421716, 4761848, 4992260, 5527145, 5952310, 7738003, 8843432, 9984520, 11054290, 11904620, 15476006, 22108580, 23809240, 30952012, 38690015, 44217160, 61904024, 77380030, 154760060, 309520120]

約数ペア:

[(1, 309520120), (2, 154760060), (4, 77380030), (5, 61904024), (7, 44217160), (8, 38690015), (10, 30952012), (13, 23809240), (14, 22108580), (20, 15476006), (26, 11904620), (28, 11054290), (31, 9984520), (35, 8843432), (40, 7738003), (52, 5952310), (56, 5527145), (62, 4992260), (65, 4761848), (70, 4421716), (91, 3401320), (104, 2976155), (124, 2496130), (130, 2380924), (140, 2210858), (155, 1996904), (169, 1831480), (182, 1700660), (211, 1466920), (217, 1426360), (248, 1248065), (260, 1190462), (280, 1105429), (310, 998452), (338, 915740), (364, 850330), (403, 768040), (422, 733460), (434, 713180), (455, 680264), (520, 595231), (620, 499226), (676, 457870), (728, 425165), (806, 384020), (844, 366730), (845, 366296), (868, 356590), (910, 340132), (1055, 293384), (1085, 285272), (1183, 261640), (1240, 249613), (1352, 228935), (1477, 209560), (1612, 192010), (1688, 183365), (1690, 183148), (1736, 178295), (1820, 170066), (2015, 153608), (2110, 146692), (2170, 142636), (2366, 130820), (2743, 112840), (2821, 109720), (2954, 104780), (3224, 96005), (3380, 91574), (3640, 85033), (4030, 76804), (4220, 73346), (4340, 71318), (4732, 65410), (5239, 59080), (5486, 56420), (5642, 54860), (5908, 52390), (5915, 52328), (6541, 47320), (6760, 45787), (7385, 41912), (8060, 38402), (8440, 36673), (8680, 35659), (9464, 32705), (10478, 29540), (10972, 28210), (11284, 27430), (11816, 26195), (11830, 26164), (13082, 23660), (13715, 22568), (14105, 21944), (14770, 20956), (16120, 19201)]