8811720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 30240000

約数和(自身を除く): 21428280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 82, 90, 108, 120, 123, 135, 164, 180, 199, 205, 216, 246, 270, 328, 360, 369, 398, 410, 492, 540, 597, 615, 738, 796, 820, 984, 995, 1080, 1107, 1194, 1230, 1476, 1592, 1640, 1791, 1845, 1990, 2214, 2388, 2460, 2952, 2985, 3582, 3690, 3980, 4428, 4776, 4920, 5373, 5535, 5970, 7164, 7380, 7960, 8159, 8856, 8955, 10746, 11070, 11940, 14328, 14760, 16318, 17910, 21492, 22140, 23880, 24477, 26865, 32636, 35820, 40795, 42984, 44280, 48954, 53730, 65272, 71640, 73431, 81590, 97908, 107460, 122385, 146862, 163180, 195816, 214920, 220293, 244770, 293724, 326360, 367155, 440586, 489540, 587448, 734310, 881172, 979080, 1101465, 1468620, 1762344, 2202930, 2937240, 4405860, 8811720]

約数ペア:

[(1, 8811720), (2, 4405860), (3, 2937240), (4, 2202930), (5, 1762344), (6, 1468620), (8, 1101465), (9, 979080), (10, 881172), (12, 734310), (15, 587448), (18, 489540), (20, 440586), (24, 367155), (27, 326360), (30, 293724), (36, 244770), (40, 220293), (41, 214920), (45, 195816), (54, 163180), (60, 146862), (72, 122385), (82, 107460), (90, 97908), (108, 81590), (120, 73431), (123, 71640), (135, 65272), (164, 53730), (180, 48954), (199, 44280), (205, 42984), (216, 40795), (246, 35820), (270, 32636), (328, 26865), (360, 24477), (369, 23880), (398, 22140), (410, 21492), (492, 17910), (540, 16318), (597, 14760), (615, 14328), (738, 11940), (796, 11070), (820, 10746), (984, 8955), (995, 8856), (1080, 8159), (1107, 7960), (1194, 7380), (1230, 7164), (1476, 5970), (1592, 5535), (1640, 5373), (1791, 4920), (1845, 4776), (1990, 4428), (2214, 3980), (2388, 3690), (2460, 3582), (2952, 2985)]