289771380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{2239}}^1$

素因数の和:2973

約数の個数: 72

約数和(自身を含む): 880588800

約数和(自身を除く): 590817420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 719, 1438, 2157, 2239, 2876, 3595, 4314, 4478, 6471, 6717, 7190, 8628, 8956, 10785, 11195, 12942, 13434, 14380, 20151, 21570, 22390, 25884, 26868, 32355, 33585, 40302, 43140, 44780, 64710, 67170, 80604, 100755, 129420, 134340, 201510, 403020, 1609841, 3219682, 4829523, 6439364, 8049205, 9659046, 14488569, 16098410, 19318092, 24147615, 28977138, 32196820, 48295230, 57954276, 72442845, 96590460, 144885690, 289771380]

約数ペア:

[(1, 289771380), (2, 144885690), (3, 96590460), (4, 72442845), (5, 57954276), (6, 48295230), (9, 32196820), (10, 28977138), (12, 24147615), (15, 19318092), (18, 16098410), (20, 14488569), (30, 9659046), (36, 8049205), (45, 6439364), (60, 4829523), (90, 3219682), (180, 1609841), (719, 403020), (1438, 201510), (2157, 134340), (2239, 129420), (2876, 100755), (3595, 80604), (4314, 67170), (4478, 64710), (6471, 44780), (6717, 43140), (7190, 40302), (8628, 33585), (8956, 32355), (10785, 26868), (11195, 25884), (12942, 22390), (13434, 21570), (14380, 20151)]