320748840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{890969}}^1$

素因数の和:890986

約数の個数: 48

約数和(自身を含む): 1042434900

約数和(自身を除く): 721686060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 890969, 1781938, 2672907, 3563876, 4454845, 5345814, 7127752, 8018721, 8909690, 10691628, 13364535, 16037442, 17819380, 21383256, 26729070, 32074884, 35638760, 40093605, 53458140, 64149768, 80187210, 106916280, 160374420, 320748840]

約数ペア:

[(1, 320748840), (2, 160374420), (3, 106916280), (4, 80187210), (5, 64149768), (6, 53458140), (8, 40093605), (9, 35638760), (10, 32074884), (12, 26729070), (15, 21383256), (18, 17819380), (20, 16037442), (24, 13364535), (30, 10691628), (36, 8909690), (40, 8018721), (45, 7127752), (60, 5345814), (72, 4454845), (90, 3563876), (120, 2672907), (180, 1781938), (360, 890969)]