28319760

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1873}}^1$

素因数の和:1902

約数の個数: 160

約数和(自身を含む): 111540480

約数和(自身を除く): 83220720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1873, 1890, 2160, 2520, 3024, 3746, 3780, 5040, 5619, 7492, 7560, 9365, 11238, 13111, 14984, 15120, 16857, 18730, 22476, 26222, 28095, 29968, 33714, 37460, 39333, 44952, 50571, 52444, 56190, 65555, 67428, 74920, 78666, 84285, 89904, 101142, 104888, 112380, 117999, 131110, 134856, 149840, 157332, 168570, 196665, 202284, 209776, 224760, 235998, 252855, 262220, 269712, 314664, 337140, 353997, 393330, 404568, 449520, 471996, 505710, 524440, 589995, 629328, 674280, 707994, 786660, 809136, 943992, 1011420, 1048880, 1179990, 1348560, 1415988, 1573320, 1769985, 1887984, 2022840, 2359980, 2831976, 3146640, 3539970, 4045680, 4719960, 5663952, 7079940, 9439920, 14159880, 28319760]

約数ペア:

[(1, 28319760), (2, 14159880), (3, 9439920), (4, 7079940), (5, 5663952), (6, 4719960), (7, 4045680), (8, 3539970), (9, 3146640), (10, 2831976), (12, 2359980), (14, 2022840), (15, 1887984), (16, 1769985), (18, 1573320), (20, 1415988), (21, 1348560), (24, 1179990), (27, 1048880), (28, 1011420), (30, 943992), (35, 809136), (36, 786660), (40, 707994), (42, 674280), (45, 629328), (48, 589995), (54, 524440), (56, 505710), (60, 471996), (63, 449520), (70, 404568), (72, 393330), (80, 353997), (84, 337140), (90, 314664), (105, 269712), (108, 262220), (112, 252855), (120, 235998), (126, 224760), (135, 209776), (140, 202284), (144, 196665), (168, 168570), (180, 157332), (189, 149840), (210, 134856), (216, 131110), (240, 117999), (252, 112380), (270, 104888), (280, 101142), (315, 89904), (336, 84285), (360, 78666), (378, 74920), (420, 67428), (432, 65555), (504, 56190), (540, 52444), (560, 50571), (630, 44952), (720, 39333), (756, 37460), (840, 33714), (945, 29968), (1008, 28095), (1080, 26222), (1260, 22476), (1512, 18730), (1680, 16857), (1873, 15120), (1890, 14984), (2160, 13111), (2520, 11238), (3024, 9365), (3746, 7560), (3780, 7492), (5040, 5619)]