304844280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{195413}}^1$

素因数の和:195440

約数の個数: 64

約数和(自身を含む): 984886560

約数和(自身を除く): 680042280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 195413, 390826, 586239, 781652, 977065, 1172478, 1563304, 1954130, 2344956, 2540369, 2931195, 3908260, 4689912, 5080738, 5862390, 7621107, 7816520, 10161476, 11724780, 12701845, 15242214, 20322952, 23449560, 25403690, 30484428, 38105535, 50807380, 60968856, 76211070, 101614760, 152422140, 304844280]

約数ペア:

[(1, 304844280), (2, 152422140), (3, 101614760), (4, 76211070), (5, 60968856), (6, 50807380), (8, 38105535), (10, 30484428), (12, 25403690), (13, 23449560), (15, 20322952), (20, 15242214), (24, 12701845), (26, 11724780), (30, 10161476), (39, 7816520), (40, 7621107), (52, 5862390), (60, 5080738), (65, 4689912), (78, 3908260), (104, 2931195), (120, 2540369), (130, 2344956), (156, 1954130), (195, 1563304), (260, 1172478), (312, 977065), (390, 781652), (520, 586239), (780, 390826), (1560, 195413)]