128775420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{26497}}^1$

素因数の和:26521

約数の個数: 72

約数和(自身を含む): 405101424

約数和(自身を除く): 276326004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 26497, 52994, 79491, 105988, 132485, 158982, 238473, 264970, 317964, 397455, 476946, 529940, 715419, 794910, 953892, 1192365, 1430838, 1589820, 2146257, 2384730, 2861676, 3577095, 4292514, 4769460, 6438771, 7154190, 8585028, 10731285, 12877542, 14308380, 21462570, 25755084, 32193855, 42925140, 64387710, 128775420]

約数ペア:

[(1, 128775420), (2, 64387710), (3, 42925140), (4, 32193855), (5, 25755084), (6, 21462570), (9, 14308380), (10, 12877542), (12, 10731285), (15, 8585028), (18, 7154190), (20, 6438771), (27, 4769460), (30, 4292514), (36, 3577095), (45, 2861676), (54, 2384730), (60, 2146257), (81, 1589820), (90, 1430838), (108, 1192365), (135, 953892), (162, 794910), (180, 715419), (243, 529940), (270, 476946), (324, 397455), (405, 317964), (486, 264970), (540, 238473), (810, 158982), (972, 132485), (1215, 105988), (1620, 79491), (2430, 52994), (4860, 26497)]