18480420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4889}}^1$

素因数の和:4914

約数の個数: 96

約数和(自身を含む): 65721600

約数和(自身を除く): 47241180

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, 1890, 3780, 4889, 9778, 14667, 19556, 24445, 29334, 34223, 44001, 48890, 58668, 68446, 73335, 88002, 97780, 102669, 132003, 136892, 146670, 171115, 176004, 205338, 220005, 264006, 293340, 308007, 342230, 410676, 440010, 513345, 528012, 616014, 660015, 684460, 880020, 924021, 1026690, 1232028, 1320030, 1540035, 1848042, 2053380, 2640060, 3080070, 3696084, 4620105, 6160140, 9240210, 18480420]

約数ペア:

[(1, 18480420), (2, 9240210), (3, 6160140), (4, 4620105), (5, 3696084), (6, 3080070), (7, 2640060), (9, 2053380), (10, 1848042), (12, 1540035), (14, 1320030), (15, 1232028), (18, 1026690), (20, 924021), (21, 880020), (27, 684460), (28, 660015), (30, 616014), (35, 528012), (36, 513345), (42, 440010), (45, 410676), (54, 342230), (60, 308007), (63, 293340), (70, 264006), (84, 220005), (90, 205338), (105, 176004), (108, 171115), (126, 146670), (135, 136892), (140, 132003), (180, 102669), (189, 97780), (210, 88002), (252, 73335), (270, 68446), (315, 58668), (378, 48890), (420, 44001), (540, 34223), (630, 29334), (756, 24445), (945, 19556), (1260, 14667), (1890, 9778), (3780, 4889)]