156405420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{11903}}^1$

素因数の和:11991

約数の個数: 72

約数和(自身を含む): 480969216

約数和(自身を除く): 324563796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 219, 292, 365, 438, 657, 730, 876, 1095, 1314, 1460, 2190, 2628, 3285, 4380, 6570, 11903, 13140, 23806, 35709, 47612, 59515, 71418, 107127, 119030, 142836, 178545, 214254, 238060, 357090, 428508, 535635, 714180, 868919, 1071270, 1737838, 2142540, 2606757, 3475676, 4344595, 5213514, 7820271, 8689190, 10427028, 13033785, 15640542, 17378380, 26067570, 31281084, 39101355, 52135140, 78202710, 156405420]

約数ペア:

[(1, 156405420), (2, 78202710), (3, 52135140), (4, 39101355), (5, 31281084), (6, 26067570), (9, 17378380), (10, 15640542), (12, 13033785), (15, 10427028), (18, 8689190), (20, 7820271), (30, 5213514), (36, 4344595), (45, 3475676), (60, 2606757), (73, 2142540), (90, 1737838), (146, 1071270), (180, 868919), (219, 714180), (292, 535635), (365, 428508), (438, 357090), (657, 238060), (730, 214254), (876, 178545), (1095, 142836), (1314, 119030), (1460, 107127), (2190, 71418), (2628, 59515), (3285, 47612), (4380, 35709), (6570, 23806), (11903, 13140)]