7140420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{1889}}^1$

素因数の和:1914

約数の個数: 96

約数和(自身を含む): 25401600

約数和(自身を除く): 18261180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1889, 1890, 3778, 3780, 5667, 7556, 9445, 11334, 13223, 17001, 18890, 22668, 26446, 28335, 34002, 37780, 39669, 51003, 52892, 56670, 66115, 68004, 79338, 85005, 102006, 113340, 119007, 132230, 158676, 170010, 198345, 204012, 238014, 255015, 264460, 340020, 357021, 396690, 476028, 510030, 595035, 714042, 793380, 1020060, 1190070, 1428084, 1785105, 2380140, 3570210, 7140420]

約数ペア:

[(1, 7140420), (2, 3570210), (3, 2380140), (4, 1785105), (5, 1428084), (6, 1190070), (7, 1020060), (9, 793380), (10, 714042), (12, 595035), (14, 510030), (15, 476028), (18, 396690), (20, 357021), (21, 340020), (27, 264460), (28, 255015), (30, 238014), (35, 204012), (36, 198345), (42, 170010), (45, 158676), (54, 132230), (60, 119007), (63, 113340), (70, 102006), (84, 85005), (90, 79338), (105, 68004), (108, 66115), (126, 56670), (135, 52892), (140, 51003), (180, 39669), (189, 37780), (210, 34002), (252, 28335), (270, 26446), (315, 22668), (378, 18890), (420, 17001), (540, 13223), (630, 11334), (756, 9445), (945, 7556), (1260, 5667), (1889, 3780), (1890, 3778)]