1380001320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{6421}}^1$

素因数の和:6640

約数の個数: 128

約数和(自身を含む): 4623840000

約数和(自身を除く): 3243838680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 199, 216, 270, 360, 398, 540, 597, 796, 995, 1080, 1194, 1592, 1791, 1990, 2388, 2985, 3582, 3980, 4776, 5373, 5970, 6421, 7164, 7960, 8955, 10746, 11940, 12842, 14328, 17910, 19263, 21492, 23880, 25684, 26865, 32105, 35820, 38526, 42984, 51368, 53730, 57789, 64210, 71640, 77052, 96315, 107460, 115578, 128420, 154104, 173367, 192630, 214920, 231156, 256840, 288945, 346734, 385260, 462312, 577890, 693468, 770520, 866835, 1155780, 1277779, 1386936, 1733670, 2311560, 2555558, 3467340, 3833337, 5111116, 6388895, 6934680, 7666674, 10222232, 11500011, 12777790, 15333348, 19166685, 23000022, 25555580, 30666696, 34500033, 38333370, 46000044, 51111160, 57500055, 69000066, 76666740, 92000088, 115000110, 138000132, 153333480, 172500165, 230000220, 276000264, 345000330, 460000440, 690000660, 1380001320]

約数ペア:

[(1, 1380001320), (2, 690000660), (3, 460000440), (4, 345000330), (5, 276000264), (6, 230000220), (8, 172500165), (9, 153333480), (10, 138000132), (12, 115000110), (15, 92000088), (18, 76666740), (20, 69000066), (24, 57500055), (27, 51111160), (30, 46000044), (36, 38333370), (40, 34500033), (45, 30666696), (54, 25555580), (60, 23000022), (72, 19166685), (90, 15333348), (108, 12777790), (120, 11500011), (135, 10222232), (180, 7666674), (199, 6934680), (216, 6388895), (270, 5111116), (360, 3833337), (398, 3467340), (540, 2555558), (597, 2311560), (796, 1733670), (995, 1386936), (1080, 1277779), (1194, 1155780), (1592, 866835), (1791, 770520), (1990, 693468), (2388, 577890), (2985, 462312), (3582, 385260), (3980, 346734), (4776, 288945), (5373, 256840), (5970, 231156), (6421, 214920), (7164, 192630), (7960, 173367), (8955, 154104), (10746, 128420), (11940, 115578), (12842, 107460), (14328, 96315), (17910, 77052), (19263, 71640), (21492, 64210), (23880, 57789), (25684, 53730), (26865, 51368), (32105, 42984), (35820, 38526)]