90745760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{81023}}^1$

素因数の和:81045

約数の個数: 48

約数和(自身を含む): 245016576

約数和(自身を除く): 154270816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 81023, 162046, 324092, 405115, 567161, 648184, 810230, 1134322, 1296368, 1620460, 2268644, 2592736, 2835805, 3240920, 4537288, 5671610, 6481840, 9074576, 11343220, 12963680, 18149152, 22686440, 45372880, 90745760]

約数ペア:

[(1, 90745760), (2, 45372880), (4, 22686440), (5, 18149152), (7, 12963680), (8, 11343220), (10, 9074576), (14, 6481840), (16, 5671610), (20, 4537288), (28, 3240920), (32, 2835805), (35, 2592736), (40, 2268644), (56, 1620460), (70, 1296368), (80, 1134322), (112, 810230), (140, 648184), (160, 567161), (224, 405115), (280, 324092), (560, 162046), (1120, 81023)]