280287120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{373}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 908227584

約数和(自身を除く): 627940464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 101, 120, 124, 155, 186, 202, 240, 248, 303, 310, 372, 373, 404, 465, 496, 505, 606, 620, 744, 746, 808, 930, 1010, 1119, 1212, 1240, 1488, 1492, 1515, 1616, 1860, 1865, 2020, 2238, 2424, 2480, 2984, 3030, 3131, 3720, 3730, 4040, 4476, 4848, 5595, 5968, 6060, 6262, 7440, 7460, 8080, 8952, 9393, 11190, 11563, 12120, 12524, 14920, 15655, 17904, 18786, 22380, 23126, 24240, 25048, 29840, 31310, 34689, 37572, 37673, 44760, 46252, 46965, 50096, 57815, 62620, 69378, 75144, 75346, 89520, 92504, 93930, 113019, 115630, 125240, 138756, 150288, 150692, 173445, 185008, 187860, 188365, 226038, 231260, 250480, 277512, 301384, 346890, 375720, 376730, 452076, 462520, 555024, 565095, 602768, 693780, 751440, 753460, 904152, 925040, 1130190, 1167863, 1387560, 1506920, 1808304, 2260380, 2335726, 2775120, 3013840, 3503589, 4520760, 4671452, 5839315, 7007178, 9041520, 9342904, 11678630, 14014356, 17517945, 18685808, 23357260, 28028712, 35035890, 46714520, 56057424, 70071780, 93429040, 140143560, 280287120]

約数ペア:

[(1, 280287120), (2, 140143560), (3, 93429040), (4, 70071780), (5, 56057424), (6, 46714520), (8, 35035890), (10, 28028712), (12, 23357260), (15, 18685808), (16, 17517945), (20, 14014356), (24, 11678630), (30, 9342904), (31, 9041520), (40, 7007178), (48, 5839315), (60, 4671452), (62, 4520760), (80, 3503589), (93, 3013840), (101, 2775120), (120, 2335726), (124, 2260380), (155, 1808304), (186, 1506920), (202, 1387560), (240, 1167863), (248, 1130190), (303, 925040), (310, 904152), (372, 753460), (373, 751440), (404, 693780), (465, 602768), (496, 565095), (505, 555024), (606, 462520), (620, 452076), (744, 376730), (746, 375720), (808, 346890), (930, 301384), (1010, 277512), (1119, 250480), (1212, 231260), (1240, 226038), (1488, 188365), (1492, 187860), (1515, 185008), (1616, 173445), (1860, 150692), (1865, 150288), (2020, 138756), (2238, 125240), (2424, 115630), (2480, 113019), (2984, 93930), (3030, 92504), (3131, 89520), (3720, 75346), (3730, 75144), (4040, 69378), (4476, 62620), (4848, 57815), (5595, 50096), (5968, 46965), (6060, 46252), (6262, 44760), (7440, 37673), (7460, 37572), (8080, 34689), (8952, 31310), (9393, 29840), (11190, 25048), (11563, 24240), (12120, 23126), (12524, 22380), (14920, 18786), (15655, 17904)]